Select the correct option based on the statements below:

Assertion (A): The geometry of formaldehyde molecule is planar.
Reason (R): Formaldehyde molecule contains sp2 hybridized carbon atom.
  
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Carboxylic Acids: Preparation & Properties |
 87%
Level 1: 80%+
Hints

Match the example in Column I with the name of the reaction in Column II.

Column l
(Example)
Column ll
(Reaction)
A 1. Friedel-Crafts
acylation
B 2. HVZ reaction
C 3. Aldol
condensation
D 4. Rosenmund
Reaction
 
A B C D
1. 2 3 4 1
2. 3 1 4 2
3. 3 4 1 2
4. 4 1 3 2
Subtopic:  Name Reaction |
 93%
Level 1: 80%+
Hints

Match the acids given in Column-I with their correct IUPAC names given in Column-II and mark the appropriate option:

Column-l
(Acids)
Column-ll
(IUPAC names)
A. Phthalic acid  1. Hexane-1,6-dioic acid 
B.  Glutaric acid  2. Benzene-1,2-dicarboxylic acid
C. Succinic acid 3. Pentane-1,5-dioic acid 
D. Adipic acid  4. Butane-1,4-dioic acid 


Codes:

A B C D
1. 2 3 4 1
2. 3 1 4 2
3. 1 4 3 2
4. 4 3 2 1
Subtopic:  Carboxylic Acids: Preparation & Properties |
 81%
Level 1: 80%+
Hints

advertisementadvertisement

Match the common names given in Column I with the IUPAC names given in Column II.

Column l 
(Common names)
Column ll
(IUPAC names)
A. Cinnamaldehyde 1. Pentanal 
B. Acetophenone 2. Prop-2-enal
C. Valeraldehyde 3. 1-Phenylethanone
D. Acrolein 4. 3-Phenylprop-2-en-al

Codes:

A B C D
1. 2 3 4 1
2. 3 1 4 2
3. 1 4 3 2
4. 4 3 1 2
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 74%
Level 2: 60%+
Hints

Benzophenone can be obtained by:
a.  Benzoyl chloride + Benzene 
b.  Benzoyl chloride + Diphenyl cadmium
c.  Benzoyl chloride + Phenyl magnesium chloride
d.  Benzene + Carbon monoxide 

Choose the correct option

1. (a, b) 2. (b, c)
3. (c, d) 4. (a, d)
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
Level 3: 35%-60%
Hints

Which of the following reactions increase the number of carbon atoms in the carbon chain?
a. Grignard reaction
b. Cannizzaro’s reaction
c. Aldol condensation
d. HVZ reaction

Choose the correct option:
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)

Subtopic:  Isomers & Reaction Mechanism | Name Reaction |
 76%
Level 2: 60%+
Hints

advertisementadvertisement

The product (P) and (Q) of the given reaction are:
 

a.  Phenol b. Sodium phenoxide
c.  Sodium benzoate d. Benzophenone


1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
Level 3: 35%-60%
Hints

Which of the following compounds do not undergo aldol condensation?

(a) (b)
(c) (d)

Options are as follows:

1. a, b

2. b, d

3. b, c

4. c, d

Subtopic:  Name Reaction |
 86%
Level 1: 80%+
Hints

Carbonyl compound is treated with--- in Clemmensen reduction .

1.  Zinc amalgam + HCl

2.  Sodium amalgam + HCl

3. Zinc amalgam + nitric acid

4.  Sodium amalgam + HNO3

Subtopic:  Name Reaction |
 92%
Level 1: 80%+
Hints

advertisementadvertisement

Which of the following compounds will give butanone on oxidation with alkaline KMnO4 solution?

1. Butan-1-o1                 
2. Butan-2-ol
3. Both (a) and (b)             
4. None of the above

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 78%
Level 2: 60%+
Hints