Write reactions for the following conversions.
4-Nitrobenzoic acid to Nitrobenzene

Write reactions for the following conversions. Benzene to Benzaldehyde

Write reactions for the following conversions. Propanone to Propane

Write the mechanism for following conversion:

Do the following conversions: Nitrobenzene to m-bromochlorobenzene

Do the following conversions: Nitrobenzene to 1,3,5-tribromobenzene

Write chemical equations for the following conversions: (i) Nitrobenzene to benzoic acid (ii) Benzyl chloride to 2-phenyl ethanamine (iii) Aniline to benzoic acid.