46295 + Interview Questions in Chemistry

1.	Conversion of chlorobenzene to a mixture of 2-chloroacetophenone and 4-chloroacetophenone Is an example of
Answer» Conversion of chlorobenzene to a mixture of 2-chloroacetophenone and 4-chloroacetophenone Is an example of

Discussion

2.	The most stable carbonium ion is:
Answer» The most stable carbonium ion is:

Discussion

3.	What is the major product of the following reaction?
Answer» What is the major product of the following reaction?

Discussion

4.	Is fructose same as sucrose?
Answer» Is fructose same as sucrose?

Discussion

5.	Two equiprobable symbols s0 and s1 are applied to discrete memoryless channel as shown in the figure below:The entropy at the output of the channel is _______bits/symbol.1.97
Answer» Two equiprobable symbols $s_{0}$ and $s_{1}$ are applied to discrete memoryless channel as shown in the figure below: The entropy at the output of the channel is _______bits/symbol. 1.97

Discussion

6.	94.Does making of gold amulgum is a chemical reaction ?(Au+Hg gives Au-Hg)
Answer» 94.Does making of gold amulgum is a chemical reaction ?(Au+Hg gives Au-Hg)

Discussion

7.	The enthalpy of formation of methane at constant pressure and 300 K is – 78.84 KJ. The enthalpy of formation at constant volume is:
Answer» The enthalpy of formation of methane at constant pressure and 300 K is – 78.84 KJ. The enthalpy of formation at constant volume is:

Discussion

8.	Heat of dissociation of CH4 is x . The bond energy of C-C is y .The heat of dissociation of acetone is Z Calculate the approximate bond dissociation energy of C=O
Answer» Heat of dissociation of CH4 is x . The bond energy of C-C is y .The heat of dissociation of acetone is Z Calculate the approximate bond dissociation energy of C=O

Discussion

9.	41. What's the c-o bond order in co, co3 -2,co2
Answer» 41. What's the c-o bond order in co, co3 -2,co2

Discussion

10.	EXPLANATION OF THE INSTANTANEOUS VELOCITY FORMULA =ds/dt
Answer» EXPLANATION OF THE INSTANTANEOUS VELOCITY FORMULA =ds/dt

Discussion

11.	In the given reaction, predict the product X & Y.
Answer» In the given reaction, predict the product X & Y.

Discussion

12.	The amount (in g) of H2SO4 present in 250 ml of 1M solution is Solve using law of equivalence .
Answer» The amount (in g) of H2SO4 present in 250 ml of 1M solution is Solve using law of equivalence .

Discussion

13.	in brown ring complex the oxidation state of iron i
Answer» in brown ring complex the oxidation state of iron i

Discussion

14.	in a thermodynamics process amount of heat given to O2 gas is equal to decrease in its internal energy correct equation of process isPV^6/5 = CPV^2 = CPV^2/3 = CP^2V^3 = Constant
Answer» in a thermodynamics process amount of heat given to O2 gas is equal to decrease in its internal energy correct equation of process is PV^6/5 = C PV^2 = C PV^2/3 = C P^2V^3 = Constant

Discussion

15.	Which of the following is not a molecular orbital?
Answer» Which of the following is not a molecular orbital?

Discussion

16.	Name polymer used in 1 chewing gum 2 bullet proof jacket 3 fireproof clothes 4 filling of teeth 5 aeroplane window 6 shoes sole 7 handles of cookware 8 transparent glass 9 stiches
Answer» Name polymer used in 1 chewing gum 2 bullet proof jacket 3 fireproof clothes 4 filling of teeth 5 aeroplane window 6 shoes sole 7 handles of cookware 8 transparent glass 9 stiches

16.

Name polymer used in 1 chewing gum 2 bullet proof jacket 3 fireproof clothes 4 filling of teeth 5 aeroplane window 6 shoes sole 7 handles of cookware 8 transparent glass 9 stiches

Answer»

Name polymer used in

1 chewing gum

2 bullet proof jacket

3 fireproof clothes

4 filling of teeth

5 aeroplane window

6 shoes sole

7 handles of cookware

8 transparent glass

9 stiches

Discussion

17.	2[x]=4{x}+x solve for x
Answer» 2[x]=4{x}+x solve for x

Discussion

18.	At room temperature the average speed of Helium is higher than that of Oxygen by a factor of
Answer» At room temperature the average speed of Helium is higher than that of Oxygen by a factor of

Discussion

19.	In acidic medium moles of KMnO4 required to oxidise 1.5 moles of Cu2S will be??
Answer» In acidic medium moles of KMnO4 required to oxidise 1.5 moles of Cu2S will be??

Discussion

20.	2NH3(g)⇌N2(g)+3H2(g) If 'a' moles of NH3 are given initially. Let x moles of NH3 are decomposed at equilbrium and V litre be the capacity of vessel in which reaction is being studied. Find out the value of Kc.
Answer» $2 N H_{3} (g) ⇌ N_{2} (g) + 3 H_{2} (g)$ If 'a' moles of $N H_{3}$ are given initially. Let x moles of $N H_{3}$ are decomposed at equilbrium and $V l i t r e$ be the capacity of vessel in which reaction is being studied. Find out the value of $K_{c}$ .

Discussion

21.	Addition of HBr to 3-phenyl propene gives
Answer» Addition of HBr to 3-phenyl propene gives

Discussion

22.	Which of the following compounds is insoluble even in hot concentrated H_2SO_4 (1) Ethylene (2) Benzene (3) Hexane (4) Aniline.
Answer» Which of the following compounds is insoluble even in hot concentrated H_2SO_4 (1) Ethylene (2) Benzene (3) Hexane (4) Aniline.

Discussion

23.	Distinguishbetween(i)Hexagonaland monoclinic unit cells(ii)Face-centredand end-centred unit cells.
Answer» Distinguish between (i)Hexagonal and monoclinic unit cells (ii) Face-centred and end-centred unit cells.

23.

Distinguishbetween(i)Hexagonaland monoclinic unit cells(ii)Face-centredand end-centred unit cells.

Answer»

Distinguish
between

(i)Hexagonal
and monoclinic unit cells

(ii)
Face-centred
and end-centred unit cells.

Discussion

24.	Which of the following acids is a vitamin? (a) Aspartic and (b) Ascorbic acid (c) Adipic acid (d) Saccharic acid
Answer» Which of the following acids is a vitamin? (a) Aspartic and (b) Ascorbic acid (c) Adipic acid (d) Saccharic acid

Discussion

25.	At what temperature, the volume of 'V' of a certain mass of a gas at 37o C will be doubled, keeping the pressure constant?
Answer» At what temperature, the volume of 'V' of a certain mass of a gas at $37^{o} C$ will be doubled, keeping the pressure constant?

Discussion

26.	Laboratory preparation of ammonia involves heating of ammonium chloride with slaked lime in the ratio Ans:- 3:2 How the ratio is 3:2?
Answer» Laboratory preparation of ammonia involves heating of ammonium chloride with slaked lime in the ratio Ans:- 3:2 How the ratio is 3:2?

26.

Laboratory preparation of ammonia involves heating of ammonium chloride with slaked lime in the ratio Ans:- 3:2 How the ratio is 3:2?

Answer»

Laboratory preparation of ammonia involves heating of ammonium chloride with slaked lime in the ratio

Ans:- 3:2

How the ratio is 3:2?

Discussion

27.	95 How many 1^° 2^°3^° H atoms are present in Toluene
Answer» 95 How many 1^° 2^°3^° H atoms are present in Toluene

Discussion

28.	Write the structures of the monomers used for getting the following polymers: (a) Polyvinyl chloride (PVC) (b) Melamine - formaldehyde polymer (c) Buna - N
Answer» Write the structures of the monomers used for getting the following polymers: (a) Polyvinyl chloride (PVC) (b) Melamine - formaldehyde polymer (c) Buna - N

Discussion

29.	Do metal form a molecule or it it always form a. Formula unit ?
Answer» Do metal form a molecule or it it always form a. Formula unit ?

Discussion

30.	The basic character of the transition metal monoxides follows the order:
Answer» The basic character of the transition metal monoxides follows the order:

Discussion

31.	A flask having a volume of 250 mL and containing air is heated to 100∘C and sealed. Then the flask is cooled to 25∘C, immersed in water, and opened. What volume of water will be drawn back into the flask, assuming the pressure remaining constant?
Answer» A flask having a volume of 250 mL and containing air is heated to 100 $^{\circ}$ C and sealed. Then the flask is cooled to 25 $^{\circ}$ C, immersed in water, and opened. What volume of water will be drawn back into the flask, assuming the pressure remaining constant?

Discussion

32.	An electron of a stationary hydrogen atom passes from the fifth energy level to the ground lend. The velocity that the atom of mass m acquired as a result of photon emission will be-(Assume R is Rydberg constant and h is Planck's constant)
Answer» An electron of a stationary hydrogen atom passes from the fifth energy level to the ground lend. The velocity that the atom of mass $m$ acquired as a result of photon emission will be- $($ Assume $R$ is Rydberg constant and $h$ is Planck's constant $)$

Discussion

33.	The sparingly soluble salt SrF2 has a Ksp value of 2.45×10–9 at room temperature. Calculate its solubility in 0.1 M highly soluble NaF aqueous solution.
Answer» The sparingly soluble salt $S r F_{2}$ has a $K_{s p}$ value of $2.45 \times 10^{- 9}$ at room temperature. Calculate its solubility in $0.1 M$ highly soluble $N a F$ aqueous solution.

Discussion

34.	If the dipole moment of AB molecule is given by 2.4 D and A-B the bond length is 1 A then % covalent character of the bond is:
Answer» If the dipole moment of AB molecule is given by 2.4 D and A-B the bond length is 1 A then % covalent character of the bond is:

Discussion

35.	Which is not amphoteric
Answer» Which is not amphoteric

Discussion

36.	Ahydrocarbon C5H10does not react with chlorine in dark but gives a single monochlorocompound C5H9Clin bright sunlight. Identify the hydrocarbon.
Answer» A hydrocarbon C₅H₁₀ does not react with chlorine in dark but gives a single monochloro compound C₅H₉Cl in bright sunlight. Identify the hydrocarbon.

Discussion

37.	Conductivity of a solution is directly proportional to [KCET 1984]
Answer» Conductivity of a solution is directly proportional to [KCET 1984]

37.

Conductivity of a solution is directly proportional to [KCET 1984]

Answer»

Conductivity of a solution is directly proportional to

[KCET 1984]

Discussion

38.	one litre of CO_{2 }is passed through red hot coke. the volume becomes 1.4 litres at same temperature and pressure.the composition of products i
Answer» one litre of CO_{2 }is passed through red hot coke. the volume becomes 1.4 litres at same temperature and pressure.the composition of products i

Discussion

39.	For a sparingly soluble salt ApBq, the relationship of its solubility product (LS) with its solubility (S) is:
Answer» For a sparingly soluble salt $A_{p} B_{q}$ , the relationship of its solubility product (LS) with its solubility (S) is:

Discussion

40.	Column 1, 2 and 3 contains symbol of the element atomic number and name respectively. Column 1 Column 2 Column 3(I)Lr(i)23(P)Zinc(II)Mn(ii)103(Q)Vanadium(III)Zn(iii)25(R)Unniltrium (IUPAC name)(IV)V(iv)30(S)Manganese The correct set for the atom which is largest in size:
Answer» Column 1, 2 and 3 contains symbol of the element atomic number and name respectively. $\begin{matrix} C o l u m n 1 & C o l u m n 2 & C o l u m n 3 (I) & L r & (i) & 23 & (P) & Z i n c (I I) & M n & (i i) & 103 & (Q) & V a n a d i u m (I I I) & Z n & (i i i) & 25 & (R) & U n n i l t r i u m (I U P A C n a m e) (I V) & V & (i v) & 30 & (S) & M a n g a n e s e \end{matrix}$ The correct set for the atom which is largest in size:

Discussion

41.	Predict the products of electrolysis in each of the following : An aqueous solution of AgNO3 with silver electrodes An aqueous solution of AgNO3 with platinum electrodes A dilute solution of H2SO4 with platinum electrodes. An aqueous solution of CuCl2 with platinum electrodes.
Answer» Predict the products of electrolysis in each of the following : An aqueous solution of $A g N O_{3}$ with silver electrodes An aqueous solution of $A g N O_{3}$ with platinum electrodes A dilute solution of $H_{2} S O_{4}$ with platinum electrodes. An aqueous solution of $C u C l_{2}$ with platinum electrodes.

41.

Predict the products of electrolysis in each of the following : An aqueous solution of AgNO3 with silver electrodes An aqueous solution of AgNO3 with platinum electrodes A dilute solution of H2SO4 with platinum electrodes. An aqueous solution of CuCl2 with platinum electrodes.

Answer»

Predict the products of electrolysis in each of the following :

An aqueous solution of $A g N O_{3}$ with silver electrodes

An aqueous solution of $A g N O_{3}$ with platinum electrodes

A dilute solution of $H_{2} S O_{4}$ with platinum electrodes.

An aqueous solution of $C u C l_{2}$ with platinum electrodes.

Discussion

42.	do all the metals posses a closed packed structure name the different structure exhibited and gives their packing fraction
Answer» do all the metals posses a closed packed structure name the different structure exhibited and gives their packing fraction

Discussion

43.	A × (B U {} ) = ?
Answer» A × (B U {} ) = ?

Discussion

44.	29 For group 18 elements it is written that all noble gases except radon are present in atmosphere but in the table in column of atmospheric content the % of radon is given but not of neon
Answer» 29 For group 18 elements it is written that all noble gases except radon are present in atmosphere but in the table in column of atmospheric content the % of radon is given but not of neon

Discussion

45.	In acetic formic anhydride, no. of carbon in parent chain is
Answer» In acetic formic anhydride, no. of carbon in parent chain is

Discussion

46.	49.What is the easiest way to find whether a given equation represents SHM or not,as some equations are quite complex?
Answer» 49.What is the easiest way to find whether a given equation represents SHM or not,as some equations are quite complex?

Discussion

47.	The amount of heat energy Q, used to heat up a substance depends on its mass m, its specific heat capacity (s) and change in of the substance using dimensional method find expression for s is
Answer» The amount of heat energy Q, used to heat up a substance depends on its mass m, its specific heat capacity (s) and change in of the substance using dimensional method find expression for s is

Discussion

48.	______ is the combination of smoke and fog.
Answer» ______ is the combination of smoke and fog.

Discussion

49.	How many coulombs are required for the oxidation of 1 mol of H2O2 to O2?
Answer» How many coulombs are required for the oxidation of 1 mol of $H_{2} O_{2}$ to $O_{2} ?$

Discussion

50.	How many neutrons are present in 1 drop of water at 4 degree C ? given - 20 drops = 1 ml
Answer» How many neutrons are present in 1 drop of water at 4 degree C ? given - 20 drops = 1 ml

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Conversion of chlorobenzene to a mixture of 2-chloroacetophenone and 4-chloroacetophenone Is an example of

The most stable carbonium ion is:

What is the major product of the following reaction?

Is fructose same as sucrose?

Two equiprobable symbols s0 and s1 are applied to discrete memoryless channel as shown in the figure below:The entropy at the output of the channel is _______bits/symbol.1.97

94.Does making of gold amulgum is a chemical reaction ?(Au+Hg gives Au-Hg)

The enthalpy of formation of methane at constant pressure and 300 K is – 78.84 KJ. The enthalpy of formation at constant volume is:

Heat of dissociation of CH4 is x . The bond energy of C-C is y .The heat of dissociation of acetone is Z Calculate the approximate bond dissociation energy of C=O

41. What's the c-o bond order in co, co3 -2,co2

EXPLANATION OF THE INSTANTANEOUS VELOCITY FORMULA =ds/dt

In the given reaction, predict the product X &amp; Y.

The amount (in g) of H2SO4 present in 250 ml of 1M solution is Solve using law of equivalence .

in brown ring complex the oxidation state of iron i

in a thermodynamics process amount of heat given to O2 gas is equal to decrease in its internal energy correct equation of process isPV^6/5 = CPV^2 = CPV^2/3 = CP^2V^3 = Constant

Which of the following is not a molecular orbital?

Name polymer used in 1 chewing gum 2 bullet proof jacket 3 fireproof clothes 4 filling of teeth 5 aeroplane window 6 shoes sole 7 handles of cookware 8 transparent glass 9 stiches

2[x]=4{x}+x solve for x

At room temperature the average speed of Helium is higher than that of Oxygen by a factor of

In acidic medium moles of KMnO4 required to oxidise 1.5 moles of Cu2S will be??

2NH3(g)⇌N2(g)+3H2(g) If 'a' moles of NH3 are given initially. Let x moles of NH3 are decomposed at equilbrium and V litre be the capacity of vessel in which reaction is being studied. Find out the value of Kc.

Addition of HBr to 3-phenyl propene gives

Which of the following compounds is insoluble even in hot concentrated H_2SO_4 (1) Ethylene (2) Benzene (3) Hexane (4) Aniline.

Distinguishbetween(i)Hexagonaland monoclinic unit cells(ii)Face-centredand end-centred unit cells.

Which of the following acids is a vitamin? (a) Aspartic and (b) Ascorbic acid (c) Adipic acid (d) Saccharic acid

At what temperature, the volume of 'V' of a certain mass of a gas at 37o C will be doubled, keeping the pressure constant?

Laboratory preparation of ammonia involves heating of ammonium chloride with slaked lime in the ratio Ans:- 3:2 How the ratio is 3:2?

95 How many 1^° 2^°3^° H atoms are present in Toluene

Write the structures of the monomers used for getting the following polymers: (a) Polyvinyl chloride (PVC) (b) Melamine - formaldehyde polymer (c) Buna - N

Do metal form a molecule or it it always form a. Formula unit ?

The basic character of the transition metal monoxides follows the order:

A flask having a volume of 250 mL and containing air is heated to 100∘C and sealed. Then the flask is cooled to 25∘C, immersed in water, and opened. What volume of water will be drawn back into the flask, assuming the pressure remaining constant?

An electron of a stationary hydrogen atom passes from the fifth energy level to the ground lend. The velocity that the atom of mass m acquired as a result of photon emission will be-(Assume R is Rydberg constant and h is Planck's constant)

The sparingly soluble salt SrF2 has a Ksp value of 2.45×10–9 at room temperature. Calculate its solubility in 0.1 M highly soluble NaF aqueous solution.

If the dipole moment of AB molecule is given by 2.4 D and A-B the bond length is 1 A then % covalent character of the bond is:

Which is not amphoteric

Ahydrocarbon C5H10does not react with chlorine in dark but gives a single monochlorocompound C5H9Clin bright sunlight. Identify the hydrocarbon.

Conductivity of a solution is directly proportional to [KCET 1984]

one litre of CO_{2 }is passed through red hot coke. the volume becomes 1.4 litres at same temperature and pressure.the composition of products i

For a sparingly soluble salt ApBq, the relationship of its solubility product (LS) with its solubility (S) is:

Column 1, 2 and 3 contains symbol of the element atomic number and name respectively. Column 1 Column 2 Column 3(I)Lr(i)23(P)Zinc(II)Mn(ii)103(Q)Vanadium(III)Zn(iii)25(R)Unniltrium (IUPAC name)(IV)V(iv)30(S)Manganese The correct set for the atom which is largest in size:

Predict the products of electrolysis in each of the following : An aqueous solution of AgNO3 with silver electrodes An aqueous solution of AgNO3 with platinum electrodes A dilute solution of H2SO4 with platinum electrodes. An aqueous solution of CuCl2 with platinum electrodes.

do all the metals posses a closed packed structure name the different structure exhibited and gives their packing fraction

A × (B U {} ) = ?

29 For group 18 elements it is written that all noble gases except radon are present in atmosphere but in the table in column of atmospheric content the % of radon is given but not of neon

In acetic formic anhydride, no. of carbon in parent chain is

49.What is the easiest way to find whether a given equation represents SHM or not,as some equations are quite complex?

The amount of heat energy Q, used to heat up a substance depends on its mass m, its specific heat capacity (s) and change in of the substance using dimensional method find expression for s is

______ is the combination of smoke and fog.

How many coulombs are required for the oxidation of 1 mol of H2O2 to O2?

How many neutrons are present in 1 drop of water at 4 degree C ? given - 20 drops = 1 ml

In the given reaction, predict the product X & Y.