Multiple Choice QuestionsWhich one is most reactive towards electrophilic reagent?
A.
Electron withdrawing substituent deactivates the benzene nucleus towards electrophilic substitution while electron releasing substituent activates the ring towards electrophilic substitution.
Among the given -OH has the higher electron donating tendency and thus, activates the ring more towards electrophilic substitution. Hence
is more reactive towards electrophilic reagents.
Acetamide is treated with the following reagents separately. Which one of these would yield methylamine?
NaOH - Br2
Sodalime
Hot conc. H2SO4
Hot conc. H2SO4
Which of the following statements about primary amines is false?
Alkyl amine are stronger bases than aryl amines
Alkyl amines reacts with nitrous acid to produce alcohols
Aryl amines react with nitrous acid to produce phenols
Alkyl amines are stronger base than ammonia
Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is
CH3COOCH3
CH3CONH2
CH3COOCOCH3
CH3COOCOCH3
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