The formation of cyanohydrin from acetone is an example of:

1. Nucleophilic substitution. 

2. Electrophilic substitution.

3. Electrophilic addition. 

4. Nucleophilic addition.

In the following reaction, $\mathrm{HC}\equiv \mathrm{CH}\underset{{\mathrm{HgSO}}_4}{\overset{{\mathrm{H}}_2{\mathrm{SO}}_4}{\to }}\mathrm{X.}$ The product X will not give:

1. Tollen’s test 

2. Victor Meyer test

3. Iodoform test

4. Fehling solution test

Given the reaction:
\(CH_3Br\ \xrightarrow{KCN}\ A\ \xrightarrow{H_3O^+}\ B\ \xrightarrow{PCl_5}\ C\)

What is the product 'C' in the above mentioned reaction?

1. Acetylchloride 

2. Chloro acetic acid

3. α- Chlorocyano ethanoic acid 

4. None of the above

What is product 'B' in the below mentioned reaction?

1.		2.
3.		4.

The product of the below mentioned reaction is:

$\underset{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{ONa}}{\overset{{\mathrm{N}}_2{\mathrm{H}}_4}{\to }}$

1.		2.
3.		4.

HCN not produce a chiral compound with:

1.		2.
3.		4.

An alkene “A” on reaction with O₃ and Zn - H₂O gives propanone and ethanal in an equimolar ratio. The addition of HCl to alkene “A” gives “B” as the major product. The structure of product “B” is:

1.		2.
3.		4.

Concentrated sodium hydroxide and benzaldehyde react to produce:

1. Cinnamic acid

2. Hydrobenzamide

3. Benzyl alcohol

4. Benzophenone

The compound that responds to Tollen's test is

1. ${\mathrm{CH}}_3{\mathrm{COCH}}_3$

2. ${\mathrm{CH}}_3\mathrm{CHO}$

3. ${\mathrm{CH}}_3\mathrm{COOH}$

4. ${\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{OC}}_2{\mathrm{H}}_5$

When treated with alkali and iodine, what substance will not give iodoform?