A compound with the molecular formula C₅H₁₀ that yields acetone on ozonolysis is:
1. 2-Methyl-2-butene
2. 2-Methyl-1-butene
3. Cyclopentane
4. 3-Methyl-1-butene

A carbonyl compound reacts with hydrogen cyanide to form cyanohydrins, which form a racemic mixture of α-hydroxy acid on hydrolysis. The carbonyl compound is:

1. Acetaldehyde

2. Acetone

3. Diethyl ketone

4. Formaldehyde

The nucleophilic addition reaction will be most favored among the given compounds is:

1. $C{H}_{3}C{H}_{2}C{H}_{2}COC{H}_3$

2. $(C{H}_3{)}_{2}C=O$

3. $C{H}_{3}C{H}_{2}CHO$

4. $C{H}_{3}CHO$

The self-condensation product of two moles of ethyl acetate in the presence of sodium ethoxide yield is: 

1. Ethyl butyrate

2. Acetoacetic ester

3. Methyl acetoacetate

4. Ethyl propionate

The product of the below-mentioned reaction is:

1.		2.
3.		4.

Reduction of aldehydes and ketones into hydrocarbons using amalgam and conc. HCl is called:

1. Clemmensen reduction

2. Cope reduction

3. Dow reduction

4. Wolff-Kishner reduction

In a basic medium, acetophenone yields a stable compound A with C₂H₅ONa.

The structure of A is:

1.		2.
3.		4.

The compound that is most susceptible to a nucleophilic attack in the carbonyl group is:

1. ${\mathrm{CH}}_3{\mathrm{COOCH}}_3$

2. ${\mathrm{CH}}_3{\mathrm{CONH}}_2$

3. ${\mathrm{CH}}_3{\mathrm{COOCOCH}}_3$

4. ${\mathrm{CH}}_3\mathrm{COCl}$

The example of a nucleophilic substitution reaction among the following is:

1.
2.
3.
4.