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Which of the following reagents would no...

Which of the following reagents would not be a good choice for reducing an aryl nitro compound to an amine?

A

`H_2 ` (excess)/Pt

B

`LiAlH_4` in ether

C

Fe and HCI

D

Sn and HCI.

Text Solution

Verified by Experts

The correct Answer is:
B
`LiAlH_4 `/ether reduces aryl nitro compounds to azo compounds, i.e.,
` underset("Nitrobenzene ")(2C_6 H_5 NO_2) overset(LiAIH_4 // "ether ")to underset("Diazobenzene ")(C_6 H_5 N=N -C_6 H_5)`
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ICSE-ORGANIC COMPOUNDS CONTAINING NITROGEN-EXERCISE (PART-I OBJECTIVE QUESTIONS)
  1. Which of the following is the weakest Bronsted base?

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  2. Benzyl amine may be alkylated as shown in the following equation : ...

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  3. Which of the following reagents would not be a good choice for reducin...

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  4. In order to prepare a 1^(@) amine from an alkyl halide with simultaneo...

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  5. The souce of nitrogen in Gabriel synthesis of amines is

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  6. Amongst the given set of reactants the most appropriate for preparing ...

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  7. The best reagent for converting 2-phenylpropanamide into 2-phenylpropa...

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  8. The best reagent for converting, 2-phenylpropanamide into 1-phenyletha...

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  9. Hofmann bromide degradation reaction is shown by

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  10. The correct increasing order of basic strength for the following compo...

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  11. Methylamine reacts with HNO2 to form

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  12. The gas evolved when methylamine reacts with nitrous acid is….

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  13. In the nitration of benzene using a mixture of conc. H2SO4 and conc. H...

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  14. Reduction of aromatic nitro compounds using Fe and HCl gives .

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  15. The most reactive amine towards dilute hydrochloric acid is .

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  16. Acid anhydrides on reaction with primary amine gives…

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  17. The reaction Aroverset(+)N(2)Cl^(-) overset(Cu//HCl)to ArCl +N(2) + ...

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  18. Best method for preparing primary amines from alkyl halides without ch...

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  19. Which of the following compounds will not undergo azo coupling reactio...

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  20. Which of the following compounds is the weakest Bronsted base?

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