Nitrogen Containing CompoundHard
Question
In the chemical reactions,

the compounds ′A′ and ′B′ respectively are

the compounds ′A′ and ′B′ respectively are
Options
A.nitrobenzene and fluorobenzene
B.phenol and benzene
C.benzene diazonium chloride and fluorobenzene
D.nitrobenzene and chlorobenzene
