Which is gem dihalide?

(1) CH₃.CHBr₂

(2) CH₂Br.CH₂Br

(3) CH₃.CHBr.CH₂Br

(4) None of these

 

Pick up the correct statement about alkyl halides:-

1. They show H-bonding.

2. They are soluble in water.

3. They are soluble in organic solvents.

4. They do not contain any polar bond.

Chlorination of CS₂ gives:

(1) CCl₄

(2) CS₂Cl₂

(3) CH₄

(4) CHCl₃

Sodium ethoxide reacts with ethyl iodide to yield:

1. CH₃CH₃

2. C₂H₅OCH₃

3. C₂H₅OC₂H₅ 

4. none of these

Which set of reagents will produce freon (CCl₂F₂)?

1. C + F₂ + Cl₂ $\to$

2. CH₃Cl + F₂ $\to$

3. CCl₄ + HF $\stackrel{{\mathrm{SbCl}}_5}{\to }$

4. CCl₄ + F₂ $\to$

Which statement is correct ?

(1) C₂H₅Br reacts with alcoholic KOH to form C₂H₅OH

(2) C₂H₅Br when treated with metallic sodium gives ethane

(3) C₂H₅Br when treated with sodium ethoxide forms diethyl ether

(4) C₂H₅Br with AgCN forms ethyl cyanide

CH₃NH₂ reacts with CH₃MgX to give:

(1) acetone

(2) alcohol

(3) methane

(4) ethane

Ethylidine dichloride (CH3CHCl2) can be prepared by the addition of hydrogen chloride on:

(1) C₂H₆ 

(2) C₂H₄

(3) C₂H₂ 

(4) all of these

The reactivity order of alkyl halides depends upon:

1. Nature of alkyl group only

2. Nature of halogen atom only

3. Nature of both alkyl group and a halogen atom

4. None of the above