Ethylbenzene is obtained from phenyl methyl ketone by using:
1. Zn–Hg+HCl
2. LiAlH4
3. KMnO4
4. None of the above
Cyanohydrin of which of the following compounds on hydrolysis gives an optically active product:
1. HCHO
2.
3.
4. All of the above
Clemmensen reduction reaction is:
1. | |
2. | \(C_6H_5-CO-CH_3 + NH_2NH_2 \xrightarrow{C_2H_5ONa}\\ C_6H_5CH_2CH_3\) |
3. | \(CH_3COCH_3 + 4HI \xrightarrow{\text{Red. P}} CH_3CH_2CH_3\) |
4. | All of the above |
The product P is:
1. | 2. | ||
3. | 4. |
In the following reaction, product 'P' is:
1. RCH2OH
2. RCOOH
3. RCHO
4. RCH3
Product 'P' in the above reaction is:
1. | 2. | ||
3. | 4. |
In a set of the given reactions, acetic acid yielded a product C.
\(\mathrm{CH_3COOH+PCl_5\rightarrow A\xrightarrow[Anh.AlCl_3]{C_6H_6}B\xrightarrow[ether]{C_2H_5MgBr}C}\)
Product C would be:
1. | CH3CH(OH)C2H5 |
2. | CH3COC6H5 |
3. | CH3CH(OH)C6H5 |
4. |
When m-chlorobenzaldehyde is treated with 50% KOH solution, the product(s) obtained is (are):
1. | |
2. | |
3. | |
4. |
A and B in the following reactions are:
1. | |
2. | |
3. | |
4. |
An organic compound with the molecular formula C9H10O forms a 2,4-DNP derivative, reduces Tollens’ reagent, and undergoes the Cannizzaro reaction. On vigorous oxidation, it gives 1,2-benzenedicarboxylic acid. This organic compound will be:
1. | 2-Methyl benzaldehyde | 2. | 2-Hydroxy benzaldehyde |
3. | 2-Ethyl benzaldehyde | 4. | 4-Ethyl benzaldehyde |