46295 + Interview Questions in Chemistry

1.	At 450 K, Kp=2.0×1010/bar for the given reaction at equilibrium. 2SO2(g)+O2(g)↔2SO3(g) What is Kc at this temperature?
Answer» At 450 K, $K_{p} = 2.0 \times 10^{10} / b a r$ for the given reaction at equilibrium. $2 S O_{2 (g)} + O_{2 (g)} \leftrightarrow 2 S O_{3 (g)}$ What is $K_{c}$ at this temperature?

Discussion

2.	Whose heating capacity is maximum A) cngB) lpgC) petrol
Answer» Whose heating capacity is maximum A) cng B) lpg C) petrol

Discussion

3.	double bond equivalent of C5H12O is
Answer» double bond equivalent of C5H12O is

Discussion

4.	Which of the following will have highest pH ?
Answer» Which of the following will have highest pH ?

Discussion

5.	in mot theory CO molecular orbital structure there which rule we follow mixing or non mixing
Answer» in mot theory CO molecular orbital structure there which rule we follow mixing or non mixing

Discussion

6.	Which of the following molecular orbital has 2 nodal planes?
Answer» Which of the following molecular orbital has 2 nodal planes?

Discussion

7.	How many geometrical isomers are possible for the given compound?CH3−CH=CH−CH=CH−C2H5A.FourB.ThreeC.TwoD.Five
Answer» How many geometrical isomers are possible for the given compound? CH3−CH=CH−CH=CH−C2H5 A.Four B.Three C.Two D.Five

Discussion

8.	Starting with the same initial conditions if an ideal gas expands from volume V1 to V2 in three different ways. The work done by the gas is W1 in the process is purely isothermal,W2 is purely isobaric and W3 is purely adiabatic, then
Answer» Starting with the same initial conditions if an ideal gas expands from volume $V_{1} t o V_{2}$ in three different ways. The work done by the gas is $W_{1}$ in the process is purely isothermal, $W_{2}$ is purely isobaric and $W_{3}$ is purely adiabatic, then

Discussion

9.	Shape of an atomic orbital is determined by
Answer» Shape of an atomic orbital is determined by

Discussion

10.	3BaCl2 + 2H3Po4 = Ba3(Po4)2 + 6HCL (0.6mole) (0.3mole) ____?_____ (mole)
Answer» 3BaCl2 + 2H3Po4 = Ba3(Po4)2 + 6HCL (0.6mole) (0.3mole) ____?_____ (mole)

Discussion

11.	The total number of Tetrahedral void and octahedral voids present in a body diagonal is
Answer» The total number of Tetrahedral void and octahedral voids present in a body diagonal is

Discussion

12.	pH of a saturated solution of Ba(OH)2 is 12. The value of solubility product (Ksp) of Ba(OH)2 is :
Answer» $p H$ of a saturated solution of $B a (O H)_{2}$ is $12$ . The value of solubility product $(K_{s p})$ of $B a (O H)_{2}$ is :

Discussion

13.	The volumes of gases H2,CH4,CO2 and NH3 absorbed by 1 g of charcoal at 288 K are in the order:
Answer» The volumes of gases $H_{2}, C H_{4}, C O_{2} a n d N H_{3}$ absorbed by 1 g of charcoal at 288 K are in the order:

Discussion

14.	13. Explain sp3 hybridisation of methane .
Answer» 13. Explain sp3 hybridisation of methane .

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15.	Which of the following compounds produces only basic products on hydrolysis?
Answer» Which of the following compounds produces only basic products on hydrolysis?

Discussion

16.	When picric acid is treated with aqueous sodium bicarbonate( NaHC^{14}O_3),a gas is liberated with effervessence . The gas evolved would be : a)H_2 b)CO_2 c)C^{14}O_2 d)NO_{
Answer» When picric acid is treated with aqueous sodium bicarbonate( NaHC^{14}O_3),a gas is liberated with effervessence . The gas evolved would be : a)H_2 b)CO_2 c)C^{14}O_2 d)NO_{

Discussion

17.	what is the equation Acetic anhydride with PCl_5
Answer» what is the equation Acetic anhydride with PCl_5

Discussion

18.	Is iron, Cobalt and Nickel also Dobereiner's Triads
Answer» Is iron, Cobalt and Nickel also Dobereiner's Triads

Discussion

19.	self condensation of two moles of ethyl acetate in presence of sodium ethoxide yeild
Answer» self condensation of two moles of ethyl acetate in presence of sodium ethoxide yeild

Discussion

20.	In the following sequence, product I, J, and L are formed. K represents a reagent.The structure of the product I is:
Answer» In the following sequence, product I, J, and L are formed. K represents a reagent. The structure of the product I is:

20.

In the following sequence, product I, J, and L are formed. K represents a reagent.The structure of the product I is:

Answer»

In the following sequence, product I, J, and L are formed. K represents a reagent.

The structure of the product I is:

Discussion

21.	12 Is there any relation between atomicity and isotopes?
Answer» 12 Is there any relation between atomicity and isotopes?

Discussion

22.	Are amphotropic oxides acidic or basic?
Answer» Are amphotropic oxides acidic or basic?

Discussion

23.	if x mole of ideal gas at 27C expands isothermally and reversibly from a volume of y to 10y,then the work done is
Answer» if x mole of ideal gas at 27C expands isothermally and reversibly from a volume of y to 10y,then the work done is

Discussion

24.	Which of the following oxide(s) is/are neutral?
Answer» Which of the following oxide(s) is/are neutral?

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25.	explain resonance column apparatus
Answer» explain resonance column apparatus

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26.	What is the density of unit cell?
Answer» What is the density of unit cell?

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27.	The velocity of particle A is 0.1 ms–1 and that of particle B is 0.05 ms–1. If the mass of particle B is five times that of particle A, then the ratio of de Broglie wavelengths associated with the particles A & B is
Answer» The velocity of particle A is 0.1 ms–1 and that of particle B is 0.05 ms–1. If the mass of particle B is five times that of particle A, then the ratio of de Broglie wavelengths associated with the particles A & B is

Discussion

28.	name the coordination compound used for treatment of cancer and lead poisonin
Answer» name the coordination compound used for treatment of cancer and lead poisonin

Discussion

29.	Two perfect gases at absolute temperatures T1 and T2 are mixed. Assuming that there is no loss of energy. Find the temperature T of the mixture if the masses of the molecules are m1 and m1 and the number of molecules in the gases are n1 and n2.
Answer» Two perfect gases at absolute temperatures $T_{1}$ and $T_{2}$ are mixed. Assuming that there is no loss of energy. Find the temperature T of the mixture if the masses of the molecules are $m_{1}$ and $m_{1}$ and the number of molecules in the gases are $n_{1}$ and $n_{2}$ .

Discussion

30.	1° alcohol reacts with lucas reagent at what temperatures?? Is it greater than the normal temperature conditions??
Answer» 1° alcohol reacts with lucas reagent at what temperatures?? Is it greater than the normal temperature conditions??

Discussion

31.	The hybridisation of carbanion is:
Answer» The hybridisation of carbanion is:

Discussion

32.	Which is most reactive nucleophile in polar aprotic solvent? (1)F^- (2)Cl^- (3)Br^- (4)I^-
Answer» Which is most reactive nucleophile in polar aprotic solvent? (1)F^- (2)Cl^- (3)Br^- (4)I^-

Discussion

33.	List-I contains questions related to reaction sequence and List-II contains their answers. Which of the following options has the correct combination considering reaction in List-I and their product(s) in List-II?
Answer» List-I contains questions related to reaction sequence and List-II contains their answers. Which of the following options has the correct combination considering reaction in List-I and their product(s) in List-II?

Discussion

34.	The statement that is not correct for the periodic classification of elements is
Answer» The statement that is not correct for the periodic classification of elements is

Discussion

35.	F=at+bt2 in this equation find the dimension of (a/b)2
Answer» F=at+bt2 in this equation find the dimension of (a/b)2

Discussion

36.	86 Find the pH obtained by mixing 250ml ,0.2M CH3COOH and 200ml 0.1 M NaOH given pka of CH3COOH =4.74 log3=o.48
Answer» 86 Find the pH obtained by mixing 250ml ,0.2M CH3COOH and 200ml 0.1 M NaOH given pka of CH3COOH =4.74 log3=o.48

Discussion

37.	do all photo electrons emitted from metal surface posess same energy
Answer» do all photo electrons emitted from metal surface posess same energy

Discussion

38.	tge mass of Cl_{2 }produced when 1A current is passed tgroug
Answer» tge mass of Cl_{2 }produced when 1A current is passed tgroug

Discussion

39.	Why this reaction cannot be considered as a disproportionate reaction?2MnO4- + 3Mn³+ ➜2H2O+5MnO2+4H+
Answer» Why this reaction cannot be considered as a disproportionate reaction? 2MnO4- + 3Mn³+ ➜2H2O+5MnO2+4H+

Discussion

40.	Which of the following is false for Silica Gel?
Answer» Which of the following is false for Silica Gel?

Discussion

41.	ratio of average speed of o2 molecule to rms speed of n2 molecule is at same pressure
Answer» ratio of average speed of o2 molecule to rms speed of n2 molecule is at same pressure

Discussion

42.	Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species
Answer» Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species

42.

Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species

Answer»

Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species

Discussion

43.	ntWhen the velocity of a relativistic charged particle increases, it's specific charge _________n nt(A) Decreasesn nt(B) Increasesn nt(C) Remains samen nt(D) First decreases then increasesn
Answer» ntWhen the velocity of a relativistic charged particle increases, it's specific charge _________n nt(A) Decreasesn nt(B) Increasesn nt(C) Remains samen nt(D) First decreases then increasesn

Discussion

44.	How many monochloriderivative and dichloroderivative of inorganic benzene is possible ?
Answer» How many monochloriderivative and dichloroderivative of inorganic benzene is possible ?

Discussion

45.	For the redox reaction MnO−4+C2O−24+H+⟶Mn2++CO2+H2O the correct coefficients of the reactants MnO−4, CO2−4 and H+ for the balanced reaction are
Answer» For the redox reaction $M n O_{4}^{-} + C_{2} O_{4}^{- 2} + H^{+} ⟶ M n^{2 +} + C O_{2} + H_{2} O$ the correct coefficients of the reactants $M n O_{4}^{-}, C O_{4}^{2 -} a n d H^{+}$ for the balanced reaction are

Discussion

46.	which one of the following complexes will have six isomers?(1)(Co(en)NH3Cl2)Cl (2)(Cr(H2O)4Cl2)Cl (3)(Co(ox)3)3 - (4)(Co(en)2Br2)Cl
Answer» which one of the following complexes will have six isomers?(1)(Co(en)NH3Cl2)Cl (2)(Cr(H2O)4Cl2)Cl (3)(Co(ox)3)3 - (4)(Co(en)2Br2)Cl

Discussion

47.	How to identify polar molecules and non polar molecules?
Answer» How to identify polar molecules and non polar molecules?

Discussion

48.	0.45 g of a substance contains 1.5 x 10^22 molecules. Calculate the molar mass of the substance.
Answer» 0.45 g of a substance contains 1.5 x 10^22 molecules. Calculate the molar mass of the substance.

Discussion

49.	99 secB:17 . The number of electron present in 1.6g of CH4 is approximately?
Answer» 99 secB:17 . The number of electron present in 1.6g of CH4 is approximately?

Discussion

50.	Question 3Do basic solutions also have H+ (aq) ions? If yes, then why are they basic?
Answer» Question 3 Do basic solutions also have $H^{+}$ (aq) ions? If yes, then why are they basic?

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

At 450 K, Kp=2.0×1010/bar for the given reaction at equilibrium. 2SO2(g)+O2(g)↔2SO3(g) What is Kc at this temperature?

Whose heating capacity is maximum A) cngB) lpgC) petrol

double bond equivalent of C5H12O is

Which of the following will have highest pH ?

in mot theory CO molecular orbital structure there which rule we follow mixing or non mixing

Which of the following molecular orbital has 2 nodal planes?

How many geometrical isomers are possible for the given compound?CH3−CH=CH−CH=CH−C2H5A.FourB.ThreeC.TwoD.Five

Starting with the same initial conditions if an ideal gas expands from volume V1 to V2 in three different ways. The work done by the gas is W1 in the process is purely isothermal,W2 is purely isobaric and W3 is purely adiabatic, then

Shape of an atomic orbital is determined by

3BaCl2 + 2H3Po4 = Ba3(Po4)2 + 6HCL (0.6mole) (0.3mole) ____?_____ (mole)

The total number of Tetrahedral void and octahedral voids present in a body diagonal is

pH of a saturated solution of Ba(OH)2 is 12. The value of solubility product (Ksp) of Ba(OH)2 is :

The volumes of gases H2,CH4,CO2 and NH3 absorbed by 1 g of charcoal at 288 K are in the order:

13. Explain sp3 hybridisation of methane .

Which of the following compounds produces only basic products on hydrolysis?

When picric acid is treated with aqueous sodium bicarbonate( NaHC^{14}O_3),a gas is liberated with effervessence . The gas evolved would be : a)H_2 b)CO_2 c)C^{14}O_2 d)NO_{

what is the equation Acetic anhydride with PCl_5

Is iron, Cobalt and Nickel also Dobereiner's Triads

self condensation of two moles of ethyl acetate in presence of sodium ethoxide yeild

In the following sequence, product I, J, and L are formed. K represents a reagent.The structure of the product I is:

12 Is there any relation between atomicity and isotopes?

Are amphotropic oxides acidic or basic?

if x mole of ideal gas at 27C expands isothermally and reversibly from a volume of y to 10y,then the work done is

Which of the following oxide(s) is/are neutral?

explain resonance column apparatus

What is the density of unit cell?

The velocity of particle A is 0.1 ms–1 and that of particle B is 0.05 ms–1. If the mass of particle B is five times that of particle A, then the ratio of de Broglie wavelengths associated with the particles A & B is

name the coordination compound used for treatment of cancer and lead poisonin

Two perfect gases at absolute temperatures T1 and T2 are mixed. Assuming that there is no loss of energy. Find the temperature T of the mixture if the masses of the molecules are m1 and m1 and the number of molecules in the gases are n1 and n2.

1° alcohol reacts with lucas reagent at what temperatures?? Is it greater than the normal temperature conditions??

The hybridisation of carbanion is:

Which is most reactive nucleophile in polar aprotic solvent? (1)F^- (2)Cl^- (3)Br^- (4)I^-

List-I contains questions related to reaction sequence and List-II contains their answers. Which of the following options has the correct combination considering reaction in List-I and their product(s) in List-II?

The statement that is not correct for the periodic classification of elements is

F=at+bt2 in this equation find the dimension of (a/b)2

86 Find the pH obtained by mixing 250ml ,0.2M CH3COOH and 200ml 0.1 M NaOH given pka of CH3COOH =4.74 log3=o.48

do all photo electrons emitted from metal surface posess same energy

tge mass of Cl_{2 }produced when 1A current is passed tgroug

Why this reaction cannot be considered as a disproportionate reaction?2MnO4- + 3Mn³+ ➜2H2O+5MnO2+4H+

Which of the following is false for Silica Gel?

ratio of average speed of o2 molecule to rms speed of n2 molecule is at same pressure

Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species

ntWhen the velocity of a relativistic charged particle increases, it's specific charge _________n nt(A) Decreasesn nt(B) Increasesn nt(C) Remains samen nt(D) First decreases then increasesn

How many monochloriderivative and dichloroderivative of inorganic benzene is possible ?

For the redox reaction MnO−4+C2O−24+H+⟶Mn2++CO2+H2O the correct coefficients of the reactants MnO−4, CO2−4 and H+ for the balanced reaction are

which one of the following complexes will have six isomers?(1)(Co(en)NH3Cl2)Cl (2)(Cr(H2O)4Cl2)Cl (3)(Co(ox)3)3 - (4)(Co(en)2Br2)Cl

How to identify polar molecules and non polar molecules?

0.45 g of a substance contains 1.5 x 10^22 molecules. Calculate the molar mass of the substance.

99 secB:17 . The number of electron present in 1.6g of CH4 is approximately?

Question 3Do basic solutions also have H+ (aq) ions? If yes, then why are they basic?

3BaCl2 + 2H3Po4 = Ba3(Po4)2 + 6HCL (0.6mole) (0.3mole) ?_ (mole)