The number of dibromo derivatives of propane are

1. 5

2. 4

3. 3

4. 2

1,1-dibromorethane when heated with zinc dust produces

1. Ethyl bromide

2. Ethene

3. Vinyl bromide

4. 2-Butene

 The decreasing order of dipole moment of methyl halides is represented by:

1. \(\mathrm{CH}_3 \mathrm{Cl}, \mathrm{CH}_3 \mathrm{Br}, \mathrm{CH}_3 \mathrm{~F} \)
2. \(\mathrm{CH}_3 \mathrm{Cl}, \mathrm{CH}_3 \mathrm{~F}, \mathrm{CH}_3 \mathrm{Br} \)
3. \(\mathrm{CH}_3 \mathrm{Br}, \mathrm{CH}_3 \mathrm{Cl}, \mathrm{CH}_3 \mathrm{~F} \)
4. \(\mathrm{CH}_3 \mathrm{Br}, \mathrm{CH}_3 \mathrm{~F}, \mathrm{CH}_3 \mathrm{Cl} \)

Which of the following is the most suitable solvent for Mg metal to react with alkyl bromide?
1. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{OCH}_3 \)
2. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{~N}\left(\mathrm{CH}_3\right)_2 \)
3. \(\mathrm{C}_2 \mathrm{H}_5 \mathrm{OC}_2 \mathrm{H}_5\)
4. Equally in all three given above

Which of the following shows geometrical isomerism?

1.		2.
3.		4.

Westron, a good industrial solvent, is

1. acetylene tetrachloride

2. trichloroethylene

3. dichlorodifluoromethane

4. hexachlorocyclohexane

On warming with silver powder, chloroform is converted into

1. Hexachloroethane

2. Acetylene

3. Ethylene

4. Carbon

Which of the following reacts with chloroform and base to form phenyl isocyanide?

1. Nitrobenzene

2. Phenol

3. Chlorobenzene

4. Aniline

Which of the following will react with water?

1. ${\mathrm{CHCl}}_3$

2. ${\mathrm{Cl}}_3\mathrm{CCHO}$

3. ${\mathrm{CCl}}_4$

4. ${\mathrm{ClCH}}_2{\mathrm{CH}}_2\mathrm{Cl}$

The major product X  in the given  reaction is:
 \(CH_{3}-CH_{2}-Br \ \xrightarrow[]{\textbf{AgCN}} \ X\)$$

1. ${\mathrm{CH}}_3-{\mathrm{CH}}_2-\mathrm{CN}$

2. ${\mathrm{CH}}_3-{\mathrm{CH}}_2\mathrm{Ag}$

3. ${\mathrm{CH}}_3-{\mathrm{CH}}_2\mathrm{NC}$

4. None of the above