MCQ-26
Ethers can be obtained from alcohols by which type of reaction?
A. Oxidation
B. Esterification
C. Dehydration
D. Dehydrogenation
Answer: D
MCQ-27
Due to the involvement of the negative charge of oxygen in the ring of benzene
A. Phenoxide ion attains stability
B. Four resonating structures form
C. pH of its solution becomes less than 4
D. Reactivity of phenol increases
Answer: A
MCQ-28
The order of reactivity of alcohols when the C – O bond breaks:
A. 1° Alcohol > 2° Alcohol > 3° Alcohol > CH3OH
B. 3° Alcohol > 2° Alcohol > 1° Alcohol 201
C. CH3OH > 1° Alcohol > 2° Alcohol > 3° Alcohol
D. 1° Alcohol > 3° Alcohol > 2° Alcohol
Answer: B
MCQ-29
What are X and Y in the above reaction?
A. Propene and Propanol
B. Propene and Propylene oxide
C. 2-Propanol and Propanone
D. Propane and Propanal
Answer: C
MCQ-30
Phenol on reaction with concentrated nitric acid produces
A. ortho-nitrophenol
B. 2,5-Dinitrophenol
C. 2,4,6-Trinitrophenol
D. 1,3,5-Trinitrobenzene
Answer: C