10
MCQ (Single Correct Answer)
Which of the following species can act as the strongest base?
A
${ }^{\ominus} \mathrm{OH}$
B
${ }^{\ominus} \mathrm{OR}$
C
${ }^{\ominus} \mathrm{OC_6H_5}$
D
11
MCQ (Single Correct Answer)
Which of the following compounds will react with sodium hydroxide solution in water?
A
$\mathrm{C}_6 \mathrm{H}_5 \mathrm{OH}$
B
$\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{OH}$
C
$\left(\mathrm{CH}_3\right)_3 \mathrm{COH}$
D
$\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}$
12
MCQ (Single Correct Answer)
Phenol is less acidic than ............ .
A
ethanol
B
o-nitrophenol
C
o-methylphenol
D
o-methoxyphenol
13
MCQ (Single Correct Answer)
Which of the following is most acidic?
A
Benzyl alcohol
B
Cyclohexanol
C
Phenol
D
m - chlorophenol
14
MCQ (Single Correct Answer)
Mark the correct order of decreasing acid strength of the following compounds.
A
V $>$ IV $>$ II $>$ I $>$ III
B
II $>$ IV $>$ I $>$ III $>$ V
C
IV $>$ V $>$ III $>$ II $>$ I
D
V $>$ IV $>$ III $>$ II $>$ I