The most reactive compound among the following for electrophilic aromatic substitution is:

1.		2.
3.		4.

The most acidic compound among the following is:

1.		2.
3.		4.

Identify Z in the following reaction:

\(CH_3CH_2CH=CH_2 \xrightarrow[H_2O,\ H_2O_2,\ OH^-]{B_2H_6} Z \)

The compound that is used as antifreeze in automobile radiators is: 

Which one of the following compounds will be most readily dehydrated?

1.		2.
3.		4.

Among the following four compounds

The acidity order is:

1. c > d > a > b

2. a > d > c > b

3. b > a > c > d

4. d > c > a > b

Which of the following does not give nucleophilic substitution with alcohol?
1. $C{H}_{3}COCl$
2. Acetic anhydride
3. Ether
4. None of the above

Which of the following statement is correct for the stability of ions of ethyl alcohol and phenol:

1. Delocalization of $\mathrm{\pi }$-electrons in phenoxide ion

2. Delocalization of electrons in ethoxide ion

3. Inductive effect of ethyl and phenyl group

4. Localization of σ-electrons in phenoxide ion

The compound that gives p-cresol with p-methyl diazonium chloride is: 

1. $H_{2}O$

2. $H_{3}P{O}_2$

3. HCOOH 

4. $C_6{H}_{5}OH$