Which of the following are all ortho/para directing and activating substituents

Question

Which of the following are all ortho/para directing and activating
substituents in aromatic electrophilic substitution reactions?
Select one:
a. aldehyde group, amino group, chloride group, nitro group
b. ketone group, ethyl group, ester carboxylate group
c. aldehyde group, carboxylic acid group, ester carboxylate group
d. amino group, ethyl group, secondary amine group
e. hydroxyl group, amino group, bromide group

The major product(s) arising from electrophilic substitution of
cyanobenzene with HNO3/H2SO4 in the presence of heat is (are):
Select one:
a. o-cyanonitrobenzene
b. m-cyanonitrobenzene
c. p-cyanonitrobenzene
d. o-cyanonitrobenzene AND p-cyanonitrobenzene
e. none of the above

Explanation / Answer

1) data missing

2) d

3) b

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