In the chemical reactions,


In the chemical reactions,

the compounds 'A' and 'B' respectively are :- 

  1. Nitrobenzene and chlorobenzene

  2. Nitrobenzene and fluorobenzene 

  3.  Phenol and benzene

  4. Benzene diazonium chloride and fluorobenzene

Correct Option: 4,


Solution not required

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