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
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
The formula for allyl alcohol is-
1. CH3-CH=CHOH
2. CH2=CHCH2OH
3. HOCH2CH2CH3
4. None of the above.
Power alcohol is a mixture of petrol and alcohol in the ratio:
1. 4:1
2. 1:4
3. 2:1
4. 1:2