Chemistry – Class 12 Mock Test 8

10%

Question 1 of 10

1. An amine with two or more alkyl groups does not have a lone pair of electron on nitrogen atom.

True

False

Question 1 of 10

Question 2 of 10

2. Which of the following compounds can be distinguished from iodoform test?

Acetophenone and acetaldehyde

Benzaldehyde and formaldehyde

Benzaldehyde and benzophenone

Acetophenone and benzophenone

Question 2 of 10

Question 3 of 10

3. Identify X in the following reaction.

PBr₅-H₂O

i) Cl₂-red P; ii) H₂O

i) Br₂-red P; ii) H₂O

PBr₃-H₂O

Question 3 of 10

Question 4 of 10

4. Which of the following reagents cannot be used to convert nitrobenzene to aniline?

H₂/Pd-ethanol

SnCl₂/HCl

LiAlH₄-dry ether

Zn in HCl

Question 4 of 10

Question 5 of 10

5. Which of the following aliphatic carboxylic acids is a solid at room temperature?

Octanoic acid

Decanoic acid

Heptanoic acid

Nonanoic acid

Question 5 of 10

Question 6 of 10

6. Ammonolysis is a type of _________ reaction.

nucleophilic addition

nucleophilic substitution

electrophilic substitution

electrophilic addition

Question 6 of 10

Question 7 of 10

7. Which of the following is the most suitable classification for C₆H₅NHCH₃?

Mixed amine

Arylalkyl amine

Aliphatic amine

Tertiary amine

Question 7 of 10

Question 8 of 10

8. What is the bond angle in ammonia molecule?

107°

108°

106.5°

109.5°

Question 8 of 10

Question 9 of 10

9. Which of the following is known as Jones reagent?

CrO₃ in H₂SO₄

KMnO₄ in H₂SO₄

KMnO₄ in alkaline medium

K₂Cr₂O₇ in acidic medium

Question 9 of 10

Question 10 of 10

10. When only two hydrogen atoms are attached to the nitrogen of an amine, it is classified as a ________
amine.

aromatic

secondary

primary

aliphatic

Question 10 of 10