\(C_6H_5CH_2Br \xrightarrow[2.~H_3O^+] {1.Mg,Ether}~\mathrm X, \)
The product 'X' in the above reaction is:
1. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{OH} \)
2. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_3 \)
3. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{C}_6 \mathrm{H}_5 \)
4. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{OCH}_2 \mathrm{C}_6 \mathrm{H}_5\)
Which of the following compounds undergoes nucleophilic substitution reaction most easily?
1. | 2. | ||
3. | 4. |
Consider the reactions:
(i) | \(\small{{(CH_3)}_2CHCH_2Br\ \xrightarrow[]{C_2H_5OH}{(CH_3)}_2CHCH_2OC_2H_5 + HBr}\) |
(ii) | \(\small{{(CH_3)}_2CHCH_2Br\ \xrightarrow[]{C_2H_5O^-}{(CH_3)}_2CHCH_2OC_2H_5 + Br^-}\) |
The mechanisms of reactions (i) and (ii) are, respectively:
The –OH group of an alcohol or the carboxylic acid can be replaced by – Cl using:
1. | Hypochlorous acid | 2. | Chlorine |
3. | Hydrochloric acid | 4. | Phosphorous pentachloride |
Chloropicrin is obtained by the reaction of:
1. Nitric acid on chlorobenzene.
2. Chlorine on picric acid.
3. Nitric acid on chloroform.
4. Steam on carbon tetrachloride.
Given below is a reaction sequence:
\(\begin{aligned} & CH_3CH_2Cl\xrightarrow{NaCN}X\xrightarrow{H_2/Ni}Y\\ &Y\xrightarrow{\text{Acetic Anhydride}}Z \end{aligned}\)
Z in the above reaction is:
1. CH3CH2CH2NHCOCH3
2. CH3CH2CH2NH2
3. CH3CH2CH2CONHCH3
4. CH3CH2CH2CONHCOCH3
\(CH_3CH_2CHCl_2\) upon reaction with \(NaNH_2\)gives:
1. | 2. | ||
3. | 4. |
obtained by chlorination of n-butane, will be:
1. Meso form
2. Racemic mixture
3. d-form
4. l-form
An organic compound A in reaction with Na/diethyl ether gives a hydrocarbon which on monochlorination gives only one chloro derivative. A is:
1. t-butyl chloride
2. sec. butyl chloride
3. Iso butyl chloride
4. n-butyl chloride
A compound that does not undergo SN1 reaction with OH- is:
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |