46295 + Interview Questions in Chemistry

1.	Which of the follwoing pais have identical shapes?
Answer» Which of the follwoing pais have identical shapes?

Discussion

2.	Molecule having sp3 hybrid atom in it is
Answer» Molecule having $s p^{3}$ hybrid atom in it is

Discussion

3.	Which has the maximum vapour pressure at a given temperature?
Answer» Which has the maximum vapour pressure at a given temperature?

Discussion

4.	Carboxylic acids are easily ionised. The main reason of this statement
Answer» Carboxylic acids are easily ionised. The main reason of this statement

4.

Carboxylic acids are easily ionised. The main reason of this statement

Answer»

Carboxylic acids are easily ionised. The main reason of this statement

Discussion

5.	The characteristic properties of transition elements are due to
Answer» The characteristic properties of transition elements are due to

Discussion

6.	The total number of lone pairs of electrons in N2O3 is
Answer» The total number of lone pairs of electrons in $N_{2} O_{3}$ is

Discussion

7.	Which of the following molecule/species has a pyramidal shape?
Answer» Which of the following molecule/species has a pyramidal shape?

Discussion

8.	Value of gas constant R is –
Answer» Value of gas constant R is –

Discussion

9.	Lifetimes of the molecules in the excited states are often measured by using pulsed radiation source of duration nearly in the nano second range. If the radiation source has the duration of 2 ns and the number of photons emitted during the pulse source is 2.5 × 1015, calculate the energy of the source.
Answer» Lifetimes of the molecules in the excited states are often measured by using pulsed radiation source of duration nearly in the nano second range. If the radiation source has the duration of 2 ns and the number of photons emitted during the pulse source is 2.5 × $10^{15}$ , calculate the energy of the source.

Discussion

10.	What type of colloid is formed when a liquid is dispersed in a solid? Given an example.
Answer» What type of colloid is formed when a liquid is dispersed in a solid? Given an example.

Discussion

11.	`Management is a series of continuous inter-related function with no predetermined sequence'. Explain.
Answer» `Management is a series of continuous inter-related function with no predetermined sequence'. Explain.

Discussion

12.	Zone refining is used for the purification of
Answer» Zone refining is used for the purification of

Discussion

13.	The number of tetrahedral and octahedral voids in hexagonal primitive unit cell are
Answer» The number of tetrahedral and octahedral voids in hexagonal primitive unit cell are

Discussion

14.	Amorphous solids are
Answer» Amorphous solids are

Discussion

15.	(a) Illustrate the following reaction giving suitable example in each case: (i) Hoffmann bromamide degradation reaction (ii) Diazotisation (iii) Gabriel phthalimide synthesis (b) Distinguish between the following pairs of compounds: (i) Aniline and N-methylaniline (ii) (CH3)2NH and (CH3)3N OR (a) Write the structures of main products when benzene diazonium chloride (C6H5N2+Cl−) reacts with the following reagents: (i) CuCN/KCN (ii) H2O (iii) CH3CH2OH (b) Arrange the following: (i) C2H5NH2, C2H5OH, (CH3)3N – in the increasing order of their boiling point (ii) Aniline, p-nitroaniline, p-methylaniline - in the increasing order of their basic strength
Answer» (a) Illustrate the following reaction giving suitable example in each case: (i) Hoffmann bromamide degradation reaction (ii) Diazotisation (iii) Gabriel phthalimide synthesis (b) Distinguish between the following pairs of compounds: (i) Aniline and N-methylaniline (ii) $(C H_{3})_{2} N H a n d (C H_{3})_{3} N$ OR (a) Write the structures of main products when benzene diazonium chloride $(C_{6} H_{5} {N_{2}}^{+} C l^{-})$ reacts with the following reagents: (i) CuCN/KCN (ii) $H_{2} O$ (iii) $C H_{3} C H_{2} O H$ (b) Arrange the following: (i) $C_{2} H_{5} N H_{2}$ , $C_{2} H_{5} O H$ , $(C H_{3})_{3} N$ – in the increasing order of their boiling point (ii) Aniline, p-nitroaniline, p-methylaniline - in the increasing order of their basic strength

15.

(a) Illustrate the following reaction giving suitable example in each case: (i) Hoffmann bromamide degradation reaction (ii) Diazotisation (iii) Gabriel phthalimide synthesis (b) Distinguish between the following pairs of compounds: (i) Aniline and N-methylaniline (ii) (CH3)2NH and (CH3)3N OR (a) Write the structures of main products when benzene diazonium chloride (C6H5N2+Cl−) reacts with the following reagents: (i) CuCN/KCN (ii) H2O (iii) CH3CH2OH (b) Arrange the following: (i) C2H5NH2, C2H5OH, (CH3)3N – in the increasing order of their boiling point (ii) Aniline, p-nitroaniline, p-methylaniline - in the increasing order of their basic strength

Answer»

(a) Illustrate the following reaction giving suitable example in each case:

(i) Hoffmann bromamide degradation reaction

(ii) Diazotisation

(iii) Gabriel phthalimide synthesis

(b) Distinguish between the following pairs of compounds:

(i) Aniline and N-methylaniline

(ii) $(C H_{3})_{2} N H a n d (C H_{3})_{3} N$

OR

(a) Write the structures of main products when benzene diazonium chloride $(C_{6} H_{5} {N_{2}}^{+} C l^{-})$ reacts with the following reagents:

(i) CuCN/KCN

(ii) $H_{2} O$

(iii) $C H_{3} C H_{2} O H$

(b) Arrange the following:

(i) $C_{2} H_{5} N H_{2}$ , $C_{2} H_{5} O H$ , $(C H_{3})_{3} N$ – in the increasing order of their boiling point

(ii) Aniline, p-nitroaniline, p-methylaniline - in the increasing order of their basic strength

Discussion

16.	Na2CO3can be manufactured by Solvay process but K2CO3cannot be prepared because:
Answer» $N a_{2} C O_{3}$ can be manufactured by Solvay process but $K_{2} C O_{3}$ cannot be prepared because:

Discussion

17.	Glucose gives silver mirror with Tollen's reagent. It shows the presence of[MNR 1981; CPMT 1974, 81; MP PMT 1994]
Answer» Glucose gives silver mirror with Tollen's reagent. It shows the presence of [MNR 1981; CPMT 1974, 81; MP PMT 1994]

17.

Glucose gives silver mirror with Tollen's reagent. It shows the presence of[MNR 1981; CPMT 1974, 81; MP PMT 1994]

Answer»

Glucose gives silver mirror with Tollen's reagent. It shows the presence of

[MNR 1981; CPMT 1974, 81; MP PMT 1994]

Discussion

18.	For a reaction with an activation energy of 49.8 kJ mol−1, the ratio of the rate constant at 600 K and 300 K, K600K300, is approximately: (R=8.3 J mol−1 K−1) (correct answer +2, wrong answer -0.5)
Answer» For a reaction with an activation energy of $49.8 {kJ mol}^{- 1}$ , the ratio of the rate constant at $600 K$ and $300 K$ , $\frac{K_{600}}{K_{300}}$ , is approximately: $(R = 8.3 {J mol}^{- 1} K^{- 1})$ (correct answer +2, wrong answer -0.5)

Discussion

19.	Question 27 Which of the following statement are correct about CO−23? (a) The hybridisation of central atom is sp3 (b) Its resonance structure has one C - O single bond and two C = 0 double bonds (c) The average formal charge on each oxygen atom is 0.67 units (d) All C - O bond lengths are equal
Answer» Question 27 Which of the following statement are correct about $C O_{3}^{- 2}$ ? (a) The hybridisation of central atom is $s p^{3}$ (b) Its resonance structure has one C - O single bond and two C = 0 double bonds (c) The average formal charge on each oxygen atom is 0.67 units (d) All C - O bond lengths are equal

19.

Question 27 Which of the following statement are correct about CO−23? (a) The hybridisation of central atom is sp3 (b) Its resonance structure has one C - O single bond and two C = 0 double bonds (c) The average formal charge on each oxygen atom is 0.67 units (d) All C - O bond lengths are equal

Answer»

Question 27

Which of the following statement are correct about $C O_{3}^{- 2}$ ?

(a) The hybridisation of central atom is $s p^{3}$

(b) Its resonance structure has one C - O single bond and two C = 0 double bonds

(c) The average formal charge on each oxygen atom is 0.67 units

(d) All C - O bond lengths are equal

Discussion

20.	One aspirin pill contains 360 mg of aspirin. To form 10 pills of aspirin from salicylic acid and acetic anhydride, how many grams of salicylic acid is required?
Answer» One aspirin pill contains 360 mg of aspirin. To form 10 pills of aspirin from salicylic acid and acetic anhydride, how many grams of salicylic acid is required?

Discussion

21.	How is dacron obtained from ethylene glycol and terephthalic acid?
Answer» How is dacron obtained from ethylene glycol and terephthalic acid?

Discussion

22.	Why is no diffraction produced in sound waves near a very small opening?
Answer» Why is no diffraction produced in sound waves near a very small opening?

Discussion

23.	Dihydrogen gas is obtained from natural gas by partial oxidation with steam as per following endothermic reaction: (i) CH4(g)+H2O(g)↔CO(g)+3H2(g) Write as expression for Kp for the above reaction (ii) CH4(g)+H2O(g)↔CO(g)+3H2(g) How will the values of Kp and compositioon of equilibrium mixture be affected by (i) Increasing the pressure (ii) Increasing the temperature (iii) Using a catalyst?
Answer» Dihydrogen gas is obtained from natural gas by partial oxidation with steam as per following endothermic reaction: (i) $C H_{4} (g) + H_{2} O (g) \leftrightarrow C O (g) + 3 H_{2} (g)$ Write as expression for $K_{p}$ for the above reaction (ii) $C H_{4} (g) + H_{2} O (g) \leftrightarrow C O (g) + 3 H_{2} (g)$ How will the values of $K_{p}$ and compositioon of equilibrium mixture be affected by (i) Increasing the pressure (ii) Increasing the temperature (iii) Using a catalyst?

23.

Dihydrogen gas is obtained from natural gas by partial oxidation with steam as per following endothermic reaction: (i) CH4(g)+H2O(g)↔CO(g)+3H2(g) Write as expression for Kp for the above reaction (ii) CH4(g)+H2O(g)↔CO(g)+3H2(g) How will the values of Kp and compositioon of equilibrium mixture be affected by (i) Increasing the pressure (ii) Increasing the temperature (iii) Using a catalyst?

Answer»

Dihydrogen gas is obtained from natural gas by partial oxidation with steam as per following endothermic reaction:
(i) $C H_{4} (g) + H_{2} O (g) \leftrightarrow C O (g) + 3 H_{2} (g)$
Write as expression for $K_{p}$ for the above reaction

(ii) $C H_{4} (g) + H_{2} O (g) \leftrightarrow C O (g) + 3 H_{2} (g)$
How will the values of $K_{p}$ and compositioon of equilibrium mixture be affected by
(i) Increasing the pressure
(ii) Increasing the temperature
(iii) Using a catalyst?

Discussion

24.	Why shell near nucleus have minimum energy whereas farther away shell has maximum energy?
Answer» Why shell near nucleus have minimum energy whereas farther away shell has maximum energy?

Discussion

25.	Xenon forms three binary fluorides XeF2, XeF4 and XeF6. All the three fluorides are colourless crystalline solids sublimating at 295K. They are powerful fluorinating agents and they are readily hydrolysed by water. The shape of XeO3 is:
Answer» Xenon forms three binary fluorides $X e F_{2}, X e F_{4}$ and $X e F_{6}$ . All the three fluorides are colourless crystalline solids sublimating at 295K. They are powerful fluorinating agents and they are readily hydrolysed by water. The shape of $X e O_{3}$ is:

Discussion

26.	Which is(are) true about N2O5?
Answer» Which is(are) true about $N_{2} O_{5}$ ?

Discussion

27.	The specific rate for a reaction increases by a factor of 4, if the temperature is changed from 27 ∘C to 52 ∘C. Find the activation energy for the reaction in kJ mol−1 (Take ln2=0.7, R (gas const) = 253 J/mol K) (Round off the answer upto two decimal places)
Answer» The specific rate for a reaction increases by a factor of 4, if the temperature is changed from $27^{\circ} C$ to $52^{\circ} C$ . Find the activation energy for the reaction in $k J m o l^{- 1}$ (Take $l n 2 = 0.7$ , R (gas const) = $\frac{25}{3} J / m o l K$ ) (Round off the answer upto two decimal places)

Discussion

28.	Which of the following is not a possible termination step in the free radical chlorination of methane?
Answer» Which of the following is not a possible termination step in the free radical chlorination of methane?

Discussion

29.	Consider the following list of reagents: Acidified K2Cr2O7, Alkanline KMnO4, CuSO4, H2O2, Cl2, O3, FeCl3, HNO3, and Na2S2O3 Which of the following reagents can oxidise aqueous iodide to iodine
Answer» Consider the following list of reagents: $Acidified K_{2} C r_{2} O_{7}, Alkanline K M n O_{4}, C u S O_{4}, H_{2} O_{2}, C l_{2}, O_{3}, F e C l_{3}, H N O_{3}, a n d N a_{2} S_{2} O_{3}$ Which of the following reagents can oxidise aqueous iodide to iodine

Discussion

30.	Find the wavelength of radiation required to excite an electron in the ground level of Li2+ (Z = 3) to the third energy level.
Answer» Find the wavelength of radiation required to excite an electron in the ground level of $L i^{2 +}$ (Z = 3) to the third energy level.

Discussion

31.	how to balance the following by oxidation number method MnO4·(aqJ + SO2(g) ._ Mn2+(aq) + HSO4·
Answer» how to balance the following by oxidation number method MnO4·(aqJ + SO2(g) ._ Mn2+(aq) + HSO4·

Discussion

32.	Which of the following compounds gives fastest reaction with HBr and why (i) (CH3)3 COH (ii) CH3 CH2 CH2OH (iii) CH3 CHOH CH3 (iv) CH3 (CH3) CH CH2OH
Answer» Which of the following compounds gives fastest reaction with HBr and why (i) (CH3)3 COH (ii) CH3 CH2 CH2OH (iii) CH3 CHOH CH3 (iv) CH3 (CH3) CH CH2OH

32.

Which of the following compounds gives fastest reaction with HBr and why (i) (CH3)3 COH (ii) CH3 CH2 CH2OH (iii) CH3 CHOH CH3 (iv) CH3 (CH3) CH CH2OH

Answer»

Which of the following compounds gives fastest reaction with HBr and why

(i) (CH3)3 COH

(ii) CH3 CH2 CH2OH

(iii) CH3 CHOH CH3

(iv) CH3 (CH3) CH CH2OH

Discussion

33.	1 dm3 of 2 M CH3 COOH is mixed with 1 dm3 of 3 M ethanol to form ester. The decrease in the initial rate if each solution is diluted with an equal volume of water would be Ans 0.25 times
Answer» 1 dm3 of 2 M CH3 COOH is mixed with 1 dm3 of 3 M ethanol to form ester. The decrease in the initial rate if each solution is diluted with an equal volume of water would be Ans 0.25 times

33.

1 dm3 of 2 M CH3 COOH is mixed with 1 dm3 of 3 M ethanol to form ester. The decrease in the initial rate if each solution is diluted with an equal volume of water would be Ans 0.25 times

Answer»

1 dm3 of 2 M CH3 COOH is mixed with 1 dm3 of 3 M ethanol to form ester. The decrease in the initial rate if each solution is diluted with an equal volume of water would be

Ans 0.25 times

Discussion

34.	A metal forms two oxides. The higher oxide contains 80% metal 0.72g of lower oxide gives 0.8g higher oxide when oxidised. Then the ratio of oxygen that combines with the fixed weight of metal in the two oxides will be?
Answer» A metal forms two oxides. The higher oxide contains 80% metal 0.72g of lower oxide gives 0.8g higher oxide when oxidised. Then the ratio of oxygen that combines with the fixed weight of metal in the two oxides will be?

Discussion

35.	If one gram of a metal carbonate gave 0.56 gram of its oxide on heating, the equivalent weight of the metal will be
Answer» If one gram of a metal carbonate gave 0.56 gram of its oxide on heating, the equivalent weight of the metal will be

Discussion

36.	CrO3 dissoloves in aqueous NaOH to give :
Answer» $C r O_{3}$ dissoloves in aqueous NaOH to give :

Discussion

37.	Pick out the odd property of rhombic sulphur.
Answer» Pick out the odd property of rhombic sulphur.

Discussion

38.	One mole of an ideal monoatomic gas initially at STP expand isothermally and reversible to 224 lit. Calculate ∆S.
Answer» One mole of an ideal monoatomic gas initially at STP expand isothermally and reversible to 224 lit. Calculate ∆S.

Discussion

39.	Why cesium chloride is more stable than sodium chloride?
Answer» Why cesium chloride is more stable than sodium chloride?

Discussion

40.	The solution that exerts highest osmotic pressure is
Answer» The solution that exerts highest osmotic pressure is

Discussion

41.	What is the difference between fundamental quantity and dimension?
Answer» What is the difference between fundamental quantity and dimension?

Discussion

42.	The conjugate base of HI is:
Answer» The conjugate base of HI is:

Discussion

43.	Five gram mol of a diatomic gas (γ=1.4) is compressed adiabatically so that its temperature rises from 127oC to 2 27oC. The work done will be:
Answer» Five gram mol of a diatomic gas $(γ = 1.4)$ is compressed adiabatically so that its temperature rises from $127^{o} C$ to $2 27^{o} C .$ The work done will be:

Discussion

44.	NO and Br2 at initial partial pressure of 98.4 and 41.3 torr, respectively were allowed to react at 300K. At equilibrium the total pressure was 110.5 torr. Calculate the value of KP for the following reaction at 300K. 2NO(g)+Br2(g)⇌2NOBr(g)
Answer» NO and $B r_{2}$ at initial partial pressure of 98.4 and 41.3 torr, respectively were allowed to react at 300K. At equilibrium the total pressure was 110.5 torr. Calculate the value of KP for the following reaction at 300K. $2 N O (g) + B r_{2} (g) ⇌ 2 N O B r (g)$

44.

NO and Br2 at initial partial pressure of 98.4 and 41.3 torr, respectively were allowed to react at 300K. At equilibrium the total pressure was 110.5 torr. Calculate the value of KP for the following reaction at 300K. 2NO(g)+Br2(g)⇌2NOBr(g)

Answer»

NO and $B r_{2}$ at initial partial pressure of 98.4 and 41.3 torr, respectively were allowed to react at 300K. At equilibrium the total pressure was 110.5 torr. Calculate the value of KP for the following reaction at 300K.

$2 N O (g) + B r_{2} (g) ⇌ 2 N O B r (g)$

Discussion

45.	A radioactive material decays by simulataneous emission of two particles with half - lives 1620 and 810 years. The time after which one - fourth of the material remains, is
Answer» A radioactive material decays by simulataneous emission of two particles with half - lives 1620 and 810 years. The time after which one - fourth of the material remains, is

Discussion

46.	logKpKc+log RT=0, is a relationship for the reaction:
Answer» $l o g \frac{K_{p}}{K_{c}} + l o g R T = 0$ , is a relationship for the reaction:

Discussion

47.	An aqueous solution of metal ion (X) reacts seperately with reagents A and B in excess to give tetrahedral and square planar complexes, respectively. An aqueous solution of another metal ion (Y) always form tetrahedral complexes with these reagents and on reaction with small amount of C reagent gives precipitate which dissolves in excess of C. X, A, B respectively are:
Answer» An aqueous solution of metal ion (X) reacts seperately with reagents A and B in excess to give tetrahedral and square planar complexes, respectively. An aqueous solution of another metal ion (Y) always form tetrahedral complexes with these reagents and on reaction with small amount of C reagent gives precipitate which dissolves in excess of C. X, A, B respectively are:

Discussion

48.	An organic compound A(C10H18O8) on treatment with excess of CH3COCl gives a fully acetylated product whose molar mass is found to be 518 g/mol. How many hydroxyl functional groups are present in A?
Answer» An organic compound $A (C_{10} H_{18} O_{8})$ on treatment with excess of $C H_{3} C O C l$ gives a fully acetylated product whose molar mass is found to be $518 g/mol$ . How many hydroxyl functional groups are present in A?

Discussion

49.	Equivalent mass of KMnO4 in acidic, basic and neutral are in the ratio of : (Given, molecular mass of KMnO4=158 g)
Answer» Equivalent mass of $K M n O_{4}$ in acidic, basic and neutral are in the ratio of : (Given, molecular mass of $K M n O_{4} = 158 g$ )

Discussion

50.	What is the hybridization of Cr if CO2 gas is passed into an aqueous chromate (VI) solution?
Answer» What is the hybridization of $C r$ if $C O_{2}$ gas is passed into an aqueous chromate (VI) solution?

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Which of the follwoing pais have identical shapes?

Molecule having sp3 hybrid atom in it is

Which has the maximum vapour pressure at a given temperature?

Carboxylic acids are easily ionised. The main reason of this statement

The characteristic properties of transition elements are due to

The total number of lone pairs of electrons in N2O3 is

Which of the following molecule/species has a pyramidal shape?

Value of gas constant R is –

What type of colloid is formed when a liquid is dispersed in a solid? Given an example.

`Management is a series of continuous inter-related function with no predetermined sequence'. Explain.

Zone refining is used for the purification of

The number of tetrahedral and octahedral voids in hexagonal primitive unit cell are

Amorphous solids are

Na2CO3can be manufactured by Solvay process but K2CO3cannot be prepared because:

Glucose gives silver mirror with Tollen's reagent. It shows the presence of[MNR 1981; CPMT 1974, 81; MP PMT 1994]

For a reaction with an activation energy of 49.8 kJ mol−1, the ratio of the rate constant at 600 K and 300 K, K600K300, is approximately: (R=8.3 J mol−1 K−1) (correct answer +2, wrong answer -0.5)

Question 27 Which of the following statement are correct about CO−23? (a) The hybridisation of central atom is sp3 (b) Its resonance structure has one C - O single bond and two C = 0 double bonds (c) The average formal charge on each oxygen atom is 0.67 units (d) All C - O bond lengths are equal

One aspirin pill contains 360 mg of aspirin. To form 10 pills of aspirin from salicylic acid and acetic anhydride, how many grams of salicylic acid is required?

How is dacron obtained from ethylene glycol and terephthalic acid?

Why is no diffraction produced in sound waves near a very small opening?

Why shell near nucleus have minimum energy whereas farther away shell has maximum energy?

Xenon forms three binary fluorides XeF2, XeF4 and XeF6. All the three fluorides are colourless crystalline solids sublimating at 295K. They are powerful fluorinating agents and they are readily hydrolysed by water. The shape of XeO3 is:

Which is(are) true about N2O5?

The specific rate for a reaction increases by a factor of 4, if the temperature is changed from 27 ∘C to 52 ∘C. Find the activation energy for the reaction in kJ mol−1 (Take ln2=0.7, R (gas const) = 253 J/mol K) (Round off the answer upto two decimal places)

Which of the following is not a possible termination step in the free radical chlorination of methane?

Consider the following list of reagents: Acidified K2Cr2O7, Alkanline KMnO4, CuSO4, H2O2, Cl2, O3, FeCl3, HNO3, and Na2S2O3 Which of the following reagents can oxidise aqueous iodide to iodine

Find the wavelength of radiation required to excite an electron in the ground level of Li2+ (Z = 3) to the third energy level.

how to balance the following by oxidation number method MnO4·(aqJ + SO2(g) ._ Mn2+(aq) + HSO4·

Which of the following compounds gives fastest reaction with HBr and why (i) (CH3)3 COH (ii) CH3 CH2 CH2OH (iii) CH3 CHOH CH3 (iv) CH3 (CH3) CH CH2OH

1 dm3 of 2 M CH3 COOH is mixed with 1 dm3 of 3 M ethanol to form ester. The decrease in the initial rate if each solution is diluted with an equal volume of water would be Ans 0.25 times

A metal forms two oxides. The higher oxide contains 80% metal 0.72g of lower oxide gives 0.8g higher oxide when oxidised. Then the ratio of oxygen that combines with the fixed weight of metal in the two oxides will be?

If one gram of a metal carbonate gave 0.56 gram of its oxide on heating, the equivalent weight of the metal will be

CrO3 dissoloves in aqueous NaOH to give :

Pick out the odd property of rhombic sulphur.

One mole of an ideal monoatomic gas initially at STP expand isothermally and reversible to 224 lit. Calculate ∆S.

Why cesium chloride is more stable than sodium chloride?

The solution that exerts highest osmotic pressure is

What is the difference between fundamental quantity and dimension?

The conjugate base of HI is:

Five gram mol of a diatomic gas (γ=1.4) is compressed adiabatically so that its temperature rises from 127oC to 2 27oC. The work done will be:

NO and Br2 at initial partial pressure of 98.4 and 41.3 torr, respectively were allowed to react at 300K. At equilibrium the total pressure was 110.5 torr. Calculate the value of KP for the following reaction at 300K. 2NO(g)+Br2(g)⇌2NOBr(g)

A radioactive material decays by simulataneous emission of two particles with half - lives 1620 and 810 years. The time after which one - fourth of the material remains, is

logKpKc+log RT=0, is a relationship for the reaction:

An organic compound A(C10H18O8) on treatment with excess of CH3COCl gives a fully acetylated product whose molar mass is found to be 518 g/mol. How many hydroxyl functional groups are present in A?

Equivalent mass of KMnO4 in acidic, basic and neutral are in the ratio of : (Given, molecular mass of KMnO4=158 g)

What is the hybridization of Cr if CO2 gas is passed into an aqueous chromate (VI) solution?