Which mechanism accounts for the reaction of 4-bromo-1-nitrobenzene with sodium hydroxide to form 4-nitrophenol?
a. Bimolecular nucleophilic substitution (SN2)
b. Nucleophilic aromatic substitution by elimination-addition
c. Nucleophilic aromatic substitution by addition-elimination
d. Electrophilic aromatic substitution
Question 2
Why does anisole undergo bromination with Br2 in the absence of FeBr3 whereas bromination of benzene requires the presence of FeBr3?
a. anisole is a better nucleophile than benzene
b. the methoxy group of anisole is an inductive electron withdrawing substituent
c. Br2 is a good nucleophile
d. the reaction is accelerated by light
Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants.
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