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An organic compound ‘A’ on reduction gives compound ‘B’, which on reaction with trichloromethane and caustic potash forms ‘C’. The compound ‘C’ on catalytic reduction gives N–methyl benzenamine, the compound ‘A’ is

Nitrobenzene
Nitromethane
Methanamine
Benzenamine
Additional Questions

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The starting compound ‘P’ is

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C6H5COOH chain reaction
‘R’ is

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