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MCQ-21
Which of the following compound will follow both the SN1 and SN2 mechanisms?
A. CH₃CI
B. CH₃CH₂CH(CI)CH₃
C. (CH₃)₃CBr
D. CH₃CH₂CH₂CH₂CH₂I

Answer: B

MCQ-22
C_nH_2n+2O is the general formula of
A. Alkanol
B. Halo-alkanes
C. Phenols
D. Alkanone

Answer: A

MCQ-23
Hydroxy derivatives of paraffins are
A. Ethers
B. Alkanone
C. Alcohols
D. Phenol

Answer: C

MCQ-24
In the reaction of alcohol, if the intermediate form, is a carbocation, this means that
A. Alcohols is reacting with Na
B. Alcohol is reacting with acetic acid
C. Alcohol ionizes as carbocation and OH^– in water
D. C-O bond of alcohol breaks.

Answer: D

MCQ-25
Alcohol + Carboxylic acid Ester + Water
 For the above reaction, the reactivity order of alcohols is:
A. 3° Alcohol > 2° Alcohol > 1° Alcohol
B. 1° Alcohol > 2° Alcohol > 3° Alcohol > CH3OH
C. CH3OH > 1° Alcohol > 2° Alcohol > 3° Alcohol
D. 1° Alcohol > 3° Alcohol > 2° Alcohol

Answer: C