Propan-1-ol may be prepared by reaction of propene with -
1. CH3COOH
2. H3BO3
3. B2H6/NaOH-H2O2
4. H2SO4/H2O
Resorcinol and conc. H2SO4 in presence of phthalic anhydride produce a compound which is:
1. a dye 2. an antiseptic
3. an indicator 4. a detergent
When phenol is treated with an excess of bromine water, it gives-
1. m-Bromophenol
2. o- and p-Bromophenols
3. 2,4-Dibromophenol
4. 2,4,6-Tribromophenol
The correct order of decreasing acidic strength of the above compounds is -
1. III>I>II>IV
2. IV>III>I>II
3. II>IV>I>III
4. I>II>III>IV
Power alcohol is a mixture of petrol and alcohol in the ratio:
1. 4:1
2. 1:4
3. 2:1
4. 1:2
The formula for allyl alcohol is-
1. CH3-CH=CHOH
2. CH2=CHCH2OH
3. HOCH2CH2CH3
4. None of the above.
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
p-nitrophenol is stronger acid than phenol because nitro group is:
1. Electron withdrawing
2. Electron donating
3. Basic
4. Acidic
Which of the following has highest boiling point?
1. Benzene
2. Phenol
3. Toluene
4. Ethyl benzene