Upon dehydration, the below mentioned compound will not give:
1. | 2. | ||
3. | 4. |
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. | \(CH_3CH_2CH_2CH_3 \) |
An appropriate set of reactants for the preparation of 1-methoxy-4-nitrobenzene is/are :
1. | |
2. | |
3. | \(\mathrm{CH_3-CH_2-CH_2-O-CH_3+HBr}\) |
4. | \(\mathrm{(CH_3)_3C-OC_2H_5+HI}\) |
4-Methoxytoluene will be the major product in :
1. Friedel-Crafts reaction-alkylation of anisole
2. Nitration of anisole
3. Bromination of anisole in ethanoic acid medium
4. Friedel-Craft’s acetylation of anisole
The alkoxy group in aryl alkyl ethers activates the benzene ring towards:
1. Nucleophilic addition reaction
2. Electrophilic addition reaction
3. Nucleophilic substitution reaction
4. Electrophilic substitution reaction
1. | 1-Propoxypropane | 2. | 2-Propoxypropane |
3. | 1-Propoxyethane | 4. | 2-Ethoxypropane |
The compound having the lowest boiling point is:
1. | Ethanol | 2. | Methanol |
3. | Methoxymethane | 4. | Propanol |
Potassium permanganate reagent is used for :
1. Oxidation of primary alcohol to carboxylic acid.
2. Oxidation of primary alcohol to aldehyde.
3. Bromination of phenol to 2,4,6-tribromophenol.
4. Dehydration of propan-2-ol to propene.