The most acidic compound among the following is:
1. | ClCH2-CH2OH | 2. | |
3. | |
4. | |
Which of the following has highest boiling point?
1. Benzene
2. Phenol
3. Toluene
4. Ethyl benzene
The correct order of the acidic strength for the above compounds is -
(I) | (II) | (III) |
1. I > II > III
2. III > I > II
3. II > III > I
4. I > III > II
The boiling point of ethanol is higher than that of dimethyl ether due to the presence of
1. | H-bonding in ethanol | 2. | H-bonding in dimethyl ether |
3. | -CH3 group in ethanol | 4. | -CH3 group in dimethyl ether |
The compound B formed in the following sequence of reactions,
CH3CH2CH2OHAB will be:
1. Propyne
2. Propene
3. Propanal
4. Propane
Ethyl alcohol is denatured by:
1. Methanol and formic acid
2. KCN
3. CH3OH and C6H6
4. CH3OH and pyridine
Chlorobenzene reacts with Mg in dry ether to give a compound (A) which further reacts
with ethanol to yield
1. phenol
2. benzene
3. ethyl benzene
4. phenyl ether
p-nitrophenol is stronger acid than phenol because nitro group is:
1. Electron withdrawing
2. Electron donating
3. Basic
4. Acidic
The -OH group of an alcohol or the -COOH group of a carboxylic acid on can be replaced
by -Cl using
1. phosphorus pentachloride
2. hypochlorous acid
3. chlorine
4. hydrochloric acid