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:
\(CH_3CH_2CH=CH_2 \xrightarrow[H_2O,\ H_2O_2,\ OH^-]{B_2H_6} Z \)
1. | \(CH_3CH_2CH_2CH_2OH\) | 2. | \(CH_3CH_2 \ C \ HCH_3 \\~~~~~~~~~~~~~~~~~~| \\~~~~~~~~~~~~~~~~OH\) |
3. | \(CH_3CH_2CH_2CHO \) | 4. | \(CH_3CH_2CH_2CH_3 \) |
The compound that is used as antifreeze in automobile radiators is:
1. | Glycol | 2. | Nitrophenol |
3. | Ethyl alcohol | 4. | Methyl alcohol |
Which one of the following compounds will be most readily dehydrated?
1. | 2. | ||
3. | 4. |
Among the following four compounds
a. | Phenol | b. | methyl phenol |
c. | meta-nitrophenol | d. | para-nitrophenol |
The acidity order is:
1. c > d > a > b
2. a > d > c > b
3. b > a > c > d
4. d > c > a > b
(a) | CH3CH2OH | (b) | CH3COCH3 |
(c) | (d) | CH3OH |
1. | Only (b) | 2. | (a), (b) and (c) |
3. | (a) and (b) | 4. | (a), (c) and (d) |
Which of the following does not give nucleophilic substitution with alcohol?
1.
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 -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.
2.
3. HCOOH
4.