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Reduction of nitrobenzene with zinc dust...

Reduction of nitrobenzene with zinc dust and aqueous ammonium chloride yields

A

N-phenylhydroxylamine

B

aniline

C

p-aminophenol

D

azobenzene

Text Solution

Verified by Experts

The correct Answer is:
A
Reduction of of nitrobenzene in neutral medium (zinc dust and ammonium chloride ) converts nitrobenzome to corresponding hydroxyylomine Phenyihydroxylamine is also prepared by the electrolytic reduction of nitrobenzene in an aqueous solution of acetic acid containing sodium acetate Phenylhydroxylamine is a powerful reducing agent For example it reduces ammoniacal silver nitrate (Tollens reagent) and Fehling s solution It readily absorbs oxygen from air to from nitrosobenzenev which reacts with unchanged phenylhydroxlamine to yield azoxybenzene
`C_(6)H_(5)NHOH+C_(6)H_(5)NOrarrC_(6)H_(5)overset(Obar)overset(|)N overset(+)= NC_(6)H_(5)H_(2)O`
.
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R SHARMA-AMINES-Follow -up Test
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  4. When reduction of nitrobenzene is carride out in alkaline medium it fo...

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  5. The product of the following reaction .

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  8. The final product formed in the reaction C(6)H(5)C-=CHunderset(HgSO(...

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  9. The end product (B) of the reaction .

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  10. The end product (B) of the reaction sequence is .

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  11. Consider the following sequence of reactions CH(2)=CHCH=CH(2)underse...

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  12. CH(3)CH(2)OHunderset(H(2)SO(4))overset(K(2)Cr(2)C(2))rarrA overset(SOC...

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  13. C(6)H(5)CH(2)Ioverset(NaN(3))rarrA underset(2H(2)O)overset(1.LAH)rarrB...

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  14. H(2)C=CHCH(2)Br+N(3)^()rarrAunderset(1LiAIH(4))overset(2.H(2)O)rarrB ...

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  15. CH=CHunderset(42%H(2)SO(4))overset(1%HgSO(4))rarrAunderset(Delta,press...

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  16. CH(3)CNunderset(2.steam distillation)overset(1.SnCI(2)//HCI)rarrA unde...

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  17. Which of the following reactions leads to the formation of a primary a...

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  19. Acetamide is treated separaately with the following reagents Which one...

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