2600 + Interview Questions in Chemistry

1.	The oxidation state of Al in AlCl3 is
Answer» The oxidation state of $A l$ in $A l C l_{3}$ is

Discussion

2.	Which of the following will form a tribromo derivative of phenol?
Answer» Which of the following will form a tribromo derivative of phenol?

Discussion

3.	Uncertainity in position is twice the uncertainity in momentum uncertainity in velocity is :
Answer» Uncertainity in position is twice the uncertainity in momentum uncertainity in velocity is :

Discussion

4.	The names of the following compounds are respectively?
Answer» The names of the following compounds are respectively?

4.

The names of the following compounds are respectively?

Answer»

The names of the following compounds are respectively?

Discussion

5.	The correct order of increasing radii are
Answer» The correct order of increasing radii are

Discussion

6.	Physicaladsorption
Answer» Physical adsorption

Discussion

7.	Wavelengths of different radiations are given below:λ(A)=300 nm λ(B)=300 μmλ(C)=30 nm λ(D)=30 ∘AArrange these radiations in the increasing order of their energies:
Answer» Wavelengths of different radiations are given below: $λ (A) = 300 nm λ (B) = 300 μ m$ $λ (C) = 30 nm λ (D) = 30 \circ A$ Arrange these radiations in the increasing order of their energies:

Discussion

8.	A chloride of vanadium has a magnetic moment of 1.732 BM. It's formula could be:
Answer» A chloride of vanadium has a magnetic moment of 1.732 BM. It's formula could be:

Discussion

9.	Which of the following will not conduct electricity in aqueous solution[AMU 1982, 83]
Answer» Which of the following will not conduct electricity in aqueous solution [AMU 1982, 83]

9.

Which of the following will not conduct electricity in aqueous solution[AMU 1982, 83]

Answer»

Which of the following will not conduct electricity in aqueous solution

[AMU 1982, 83]

Discussion

10.	Le Chatelier's principle is not applicable for which of the following reaction?
Answer» Le Chatelier's principle is not applicable for which of the following reaction?

Discussion

11.	Which one of the following reactions is not an example of redox reaction
Answer» Which one of the following reactions is not an example of redox reaction

Discussion

12.	Which option does not have the correct order of dipole moments?
Answer» Which option does not have the correct order of dipole moments?

Discussion

13.	A solution of glucose (C6H12O6) is isotonic with 4 g of urea (H2N−CO−NH2) per litre of solution. The concentration of glucose is:
Answer» A solution of glucose ( $C_{6} H_{12} O_{6}$ ) is isotonic with 4 g of urea $(H_{2} N - C O - N H_{2})$ per litre of solution. The concentration of glucose is:

Discussion

14.	Complete the following2Al2O3+3C→4A+3B. A & B are as follows.
Answer» Complete the following $2 A l_{2} O_{3} + 3 C \to 4 A + 3 B$ . A & B are as follows.

14.

Complete the following2Al2O3+3C→4A+3B. A & B are as follows.

Answer»

Complete the following

$2 A l_{2} O_{3} + 3 C \to 4 A + 3 B$ . A & B are as follows.

Discussion

15.	Which of the following compounds produce 1,5-cyclooctanedione on ozonolysis?
Answer» Which of the following compounds produce 1,5-cyclooctanedione on ozonolysis?

Discussion

16.	Predict the order of Δo for the following compounds:-(i) [Cr(H2O)6]3+(ii) [Cr(CN)2(H2O)4]−(iii) [Cr(CN)4(H2O)2]−(iv) [Cr(CN)6]3−
Answer» Predict the order of $Δ_{o}$ for the following compounds:- (i) $[C r (H_{2} O)_{6}]^{3 +}$ (ii) $[C r (C N)_{2} (H_{2} O)_{4}]^{-}$ (iii) $[C r (C N)_{4} (H_{2} O)_{2}]^{-}$ (iv) $[C r (C N)_{6}]^{3 -}$

Discussion

17.	Which carbocation is more likely to be formed in dehydration of
Answer» Which carbocation is more likely to be formed in dehydration of

17.

Which carbocation is more likely to be formed in dehydration of

Answer»

Which carbocation is more likely to be formed in

dehydration of

Discussion

18.	Which of the following amines is/are resolvable?
Answer» Which of the following amines is/are resolvable?

Discussion

19.	A student performs a titration with different burettes and finds titre values of 25.2 mL, 25.25 mL, and 25.0 mL. The number of significant figures in the average titre value is ___
Answer» A student performs a titration with different burettes and finds titre values of 25.2 mL, 25.25 mL, and 25.0 mL. The number of significant figures in the average titre value is ___

Discussion

20.	Which of the following is a neutral electrophile?
Answer» Which of the following is a neutral electrophile?

Discussion

21.	Which of the following is not formed by the reaction of Cl2 on CH4 in sunlight
Answer» Which of the following is not formed by the reaction of Cl₂on CH₄in sunlight

Discussion

22.	In which of the following cases incorrect direction of inductive effect is / are shown?
Answer» In which of the following cases incorrect direction of inductive effect is / are shown?

Discussion

23.	For which one of the following homogenous equilibrium equations will Kp equal Kc?
Answer» For which one of the following homogenous equilibrium equations will K_p equal K_c?

Discussion

24.	Identify (X) to (Z) in the following sequence of reactions - CaO+C2000∘C−−−−→(X)+(Y) 1100∘C↓+N2 (z)hydrolysis−−−−−−→(P)gas
Answer» Identify (X) to (Z) in the following sequence of reactions - $C a O + C 2000^{\circ} C - --- \to (X) + (Y) 1100^{\circ} C ↓ + N_{2} (z) h y d r o l y s i s - ----- \to (P) gas$

24.

Identify (X) to (Z) in the following sequence of reactions - CaO+C2000∘C−−−−→(X)+(Y) 1100∘C↓+N2 (z)hydrolysis−−−−−−→(P)gas

Answer»

Identify (X) to (Z) in the following sequence of reactions -

$C a O + C 2000^{\circ} C - --- \to (X) + (Y) 1100^{\circ} C ↓ + N_{2} (z) h y d r o l y s i s - ----- \to (P) gas$

Discussion

25.	A valid Lewis structure cannot be drawn for which of the following compounds?
Answer» A valid Lewis structure cannot be drawn for which of the following compounds?

Discussion

26.	The pressure under which liquid and vapour can coexist at equilibrium is called the
Answer» The pressure under which liquid and vapour can coexist at equilibrium is called the

Discussion

27.	Which of the following molecules represents the order of hybridisation sp2, sp2, sp, sp from left to right?
Answer» Which of the following molecules represents the order of hybridisation $s p^{2}$ , $s p^{2}$ , $s p$ , $s p$ from left to right?

Discussion

28.	Schottkydefect in crystals is observed when[CBSE PMT1998; KCET 2002]
Answer» Schottky defect in crystals is observed when [CBSE PMT 1998; KCET 2002]

28.

Schottkydefect in crystals is observed when[CBSE PMT1998; KCET 2002]

Answer»

Schottky
defect in crystals is observed when

[CBSE PMT
1998; KCET 2002]

Discussion

29.	Ratio of radii of second and first orbits of H atom is:
Answer» Ratio of radii of second and first orbits of $H$ atom is:

Discussion

30.	In the reaction C2H5CH=CH2+H−X→Product. What is the product
Answer» In the reaction $C_{2} H_{5} C H = C H_{2} + H - X \to P r o d u c t .$ What is the product

Discussion

31.	The most stable conformation of trans-1,4-dimethylcyclohexane is represented as:
Answer» The most stable conformation of trans-1,4-dimethylcyclohexane is represented as:

Discussion

32.	Which of the following free radicals is pyramidal?
Answer» Which of the following free radicals is pyramidal?

Discussion

33.	Bohr’s theory explains atomic spectrum of
Answer» Bohr’s theory explains atomic spectrum of

Discussion

34.	The common features among the species CN−,CO and NO+ are
Answer» The common features among the species $C N^{-}, C O a n d N O^{+}$ are

Discussion

35.	Which of the following reaction does not involve in neither oxidation nor reduction?
Answer» Which of the following reaction does not involve in neither oxidation nor reduction?

Discussion

36.	The correct order of atomic radii for the following isoelectronic species F−, O2−, Na+, Mg2+ is:
Answer» The correct order of atomic radii for the following isoelectronic species $F^{-}, O^{2 -}, N a^{+}, M g^{2 +}$ is:

Discussion

37.	In a zero order reaction for every 10∘C rice of temperature, the rate is doubled. If the temperature is increased from 10∘C to 100∘C, the rate of the reaction will become:
Answer» In a zero order reaction for every $10^{\circ} C$ rice of temperature, the rate is doubled. If the temperature is increased from $10^{\circ} C$ to $100^{\circ} C$ , the rate of the reaction will become:

Discussion

38.	A binary liquid solution is prepared by mixing n-heptane and ethanol. Which one of the following statements is correct regarding the behaviour of the solution ?
Answer» A binary liquid solution is prepared by mixing n-heptane and ethanol. Which one of the following statements is correct regarding the behaviour of the solution ?

Discussion

39.	If α is the degree of dissociation of Na2SO4 the van't Hoff''s factor (i) used for calculating the molecular mass is
Answer» If $α$ is the degree of dissociation of $N a_{2} S O_{4}$ the van't Hoff''s factor $(i)$ used for calculating the molecular mass is

Discussion

40.	Which of the following is a liquid at room temperature?
Answer» Which of the following is a liquid at room temperature?

Discussion

41.	Given below are some statements contrasting Hydrometallurgy and pyrometallurgy. Which of the following are the advantages of Hydrometallurgy (leaching)?
Answer» Given below are some statements contrasting Hydrometallurgy and pyrometallurgy. Which of the following are the advantages of Hydrometallurgy (leaching)?

Discussion

42.	On addition of 0.8 mL of solution of 10% NaCl to 30 mL of red gold sol in presence of 0.03 g of starch, the coagulation is just prevented. The gold number of starch is
Answer» On addition of 0.8 mL of solution of 10% NaCl to 30 mL of red gold sol in presence of 0.03 g of starch, the coagulation is just prevented. The gold number of starch is

Discussion

43.	Which of the following is/are diastereomer pair(s)?
Answer» Which of the following is/are diastereomer pair(s)?

Discussion

44.	Which of the following is the least reactive towards nucleophillic addition reaction?
Answer» Which of the following is the least reactive towards nucleophillic addition reaction?

Discussion

45.	A and B respectively are:
Answer» A and B respectively are:

Discussion

46.	When sodium propionate is heated with soda lime, the main product is
Answer» When sodium propionate is heated with soda lime, the main product is

Discussion

47.	Identify the oxidant and the reductant in the following reaction:2FeCl2+H2O2+2HCl→2FeCl3+2H2O
Answer» Identify the oxidant and the reductant in the following reaction: $2 F e C l_{2} + H_{2} O_{2} + 2 H C l \to 2 F e C l_{3} + 2 H_{2} O$

Discussion

48.	Which of the following has Germicidal property?
Answer» Which of the following has Germicidal property?

Discussion

49.	Which among the following pairs are paramagnetic?
Answer» Which among the following pairs are paramagnetic?

Discussion

50.	Which of the following compounds are not hydrolysed?
Answer» Which of the following compounds are not hydrolysed?

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

The oxidation state of Al in AlCl3 is

Which of the following will form a tribromo derivative of phenol?

Uncertainity in position is twice the uncertainity in momentum uncertainity in velocity is :

The names of the following compounds are respectively?

The correct order of increasing radii are

Physicaladsorption

Wavelengths of different radiations are given below:λ(A)=300 nm λ(B)=300 μmλ(C)=30 nm λ(D)=30 ∘AArrange these radiations in the increasing order of their energies:

A chloride of vanadium has a magnetic moment of 1.732 BM. It's formula could be:

Which of the following will not conduct electricity in aqueous solution[AMU 1982, 83]

Le Chatelier's principle is not applicable for which of the following reaction?

Which one of the following reactions is not an example of redox reaction

Which option does not have the correct order of dipole moments?

A solution of glucose (C6H12O6) is isotonic with 4 g of urea (H2N−CO−NH2) per litre of solution. The concentration of glucose is:

Complete the following2Al2O3+3C→4A+3B. A &amp; B are as follows.

Which of the following compounds produce 1,5-cyclooctanedione on ozonolysis?

Predict the order of Δo for the following compounds:-(i) [Cr(H2O)6]3+(ii) [Cr(CN)2(H2O)4]−(iii) [Cr(CN)4(H2O)2]−(iv) [Cr(CN)6]3−

Which carbocation is more likely to be formed in dehydration of

Which of the following amines is/are resolvable?

A student performs a titration with different burettes and finds titre values of 25.2 mL, 25.25 mL, and 25.0 mL. The number of significant figures in the average titre value is ___

Which of the following is a neutral electrophile?

Which of the following is not formed by the reaction of Cl2 on CH4 in sunlight

In which of the following cases incorrect direction of inductive effect is / are shown?

For which one of the following homogenous equilibrium equations will Kp equal Kc?

Identify (X) to (Z) in the following sequence of reactions - CaO+C2000∘C−−−−→(X)+(Y) 1100∘C↓+N2 (z)hydrolysis−−−−−−→(P)gas

A valid Lewis structure cannot be drawn for which of the following compounds?

The pressure under which liquid and vapour can coexist at equilibrium is called the

Which of the following molecules represents the order of hybridisation sp2, sp2, sp, sp from left to right?

Schottkydefect in crystals is observed when[CBSE PMT1998; KCET 2002]

Ratio of radii of second and first orbits of H atom is:

In the reaction C2H5CH=CH2+H−X→Product. What is the product

The most stable conformation of trans-1,4-dimethylcyclohexane is represented as:

Which of the following free radicals is pyramidal?

Bohr’s theory explains atomic spectrum of

The common features among the species CN−,CO and NO+ are

Which of the following reaction does not involve in neither oxidation nor reduction?

The correct order of atomic radii for the following isoelectronic species F−, O2−, Na+, Mg2+ is:

In a zero order reaction for every 10∘C rice of temperature, the rate is doubled. If the temperature is increased from 10∘C to 100∘C, the rate of the reaction will become:

A binary liquid solution is prepared by mixing n-heptane and ethanol. Which one of the following statements is correct regarding the behaviour of the solution ?

If α is the degree of dissociation of Na2SO4 the van't Hoff''s factor (i) used for calculating the molecular mass is

Which of the following is a liquid at room temperature?

Given below are some statements contrasting Hydrometallurgy and pyrometallurgy. Which of the following are the advantages of Hydrometallurgy (leaching)?

On addition of 0.8 mL of solution of 10% NaCl to 30 mL of red gold sol in presence of 0.03 g of starch, the coagulation is just prevented. The gold number of starch is

Which of the following is/are diastereomer pair(s)?

Which of the following is the least reactive towards nucleophillic addition reaction?

A and B respectively are:

When sodium propionate is heated with soda lime, the main product is

Identify the oxidant and the reductant in the following reaction:2FeCl2+H2O2+2HCl→2FeCl3+2H2O

Which of the following has Germicidal property?

Which among the following pairs are paramagnetic?

Which of the following compounds are not hydrolysed?

Complete the following2Al2O3+3C→4A+3B. A & B are as follows.