to convert 
to 
) diazotization,cyanide formation, hydrolysis (to convert 
into 
).
(ii) Nitration, i.e., introduction of group in benzene nucleus bynitrating agent, bromination (by 
) at m-position, reductionby to convert into 
diazotization (conversion ofinto 
group) followed by hydrolysis (conversion of into 
group).
(iii) Amide formation, i.e., reaction with 
followed by Hofmannbromanmide reaction, i.e., conversion of 
group into .
(iv) Bromination to introduce Br atom at 2,4 and 6 position, diazotization and fluorination to convert into ?F group.
(v) Nitrile formation, i.e., conversion of 
into by ale. KCN, followed by reduction.
(vi) Nitration by nitrating mixture (cone. 
) followed by reduction with (conversion of into group).
(vii) Acetylation to protect group, bromination at p-position (by) and hydrolysis.
(Viii) Hofmann bromamide reaction to convert into 
diazotization and reaction with 
to convert into. 
Friedel Crafts alkylation to introduce 
group.
(ix) Diazotization and cyanide formation by reacting with 
and
reduction to convert into 
and reaction withnitrous acid 
to convert into
Answer:
(i) Nitrobenzene to benzoic acid
(ii) Benzene to m-bromophenol
(iii) Benzoic acid to aniline
(iv) Aniline to 2, 4, 6-tribromo fluorobenzene
(v) Benzyl chloride to 2-phenyl ehtanamine
(vi) Chlorobenzene to p-chloroaniline
(vii) Aniline to p-bromoaniline
(viii) Benzamide to toluene
(ix) Aniline to benzene alcohol
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