Ether is more volatile than alcohol despite having the same molecular formula. This is due to -
1. Dipolar character of ethers
2. Alcohols having resonance structures
3. Intermolecular hydrogen bonding in ethers
4. Intermolecular hydrogen bonding in alcohols
The vapor of secondary alcohol passed over heated copper at 573 K yield:
1. | A carboxylic acid | 2. | An aldehyde |
3. | A ketone | 4. | An alkene |
The major products C and D formed in the following reaction respectively are:
\(CH_3CH_2CH_2OC{(CH_3)}_3 \xrightarrow[\Delta]{\text{Excess}\ HI}\ C + D\)
1. H3C-CH2-CH2-I and I-C(CH3)3
2. H3C-CH2-CH2-OH and I-C(CH3)3
3. H3C-CH2-CH2-I and HO-C(CH3)3
4. H3C-CH2-CH2-OH and HO-C(CH3)3
The product 'B' in the below mentioned reaction is-
1. Phenol
2. Benzol
3. Sodium benzoate
4. Benzal
A | B | |
1. | ||
2. | ||
3. | ||
4. |
Ethyl chloride is converted into diethyl ether by -
1. | Wurtz reaction | 2. | Grignard reaction |
3. | Perkin's reaction | 4. | Williamson's synthesis |
The product that forms when sodium phenoxide is heated with ethyl iodide is-
1. Phenetole
2. Ethyl phenyl alcohol
3. Phenol
4. None of the above
The alcohol expected to have the lowest pKa value among the following is -
1. Ethanol
2. 2-Fluoro ethanol
3. 2,2,2-Trifluoroethanol
4. 2-Chloroethanol
A gas that comes out when ethyl alcohol is heated with methyl magnesium iodide, is -
1. | Methane | 2. | Ethane |
3. | Carbon dioxide | 4. | Propane |
The conversion of cyclohexanol into cyclohexene is most effective with
1. Concentrated H3PO4
2. Concentrated HCl
3. Concentrated HCl / ZnCl2
4. Concentrated HBr