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The appropriate reagent for the followin...

The appropriate reagent for the following transfromation:

A

Zn(Hg),HCI

B

`NH_(2)NH_(2)OH^(-)`

C

`H_(2)//Ni`

D

`NaBH_(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
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OP TANDON-ALDEHYDES AND KETONES -OBJECTIVE QUESTIONS (LEVEL -A)
  1. Oxidation of acetaldehyde with selenium dioxide produces:

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  2. Which will not give formaldehyde on heating or upon distillation ?

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  3. The appropriate reagent for the following transfromation:

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  4. Which of the following has the most acidic hydrogen ?

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  5. Reaction of carbonyl compound with one of the following reagents invol...

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  6. Which of the following is the industrial method of preparation of acea...

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  7. Acetone, formaldehyde and acetaldehyde can be distinguished when treat...

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  8. When three molecules of acetone condense in presence of dry CHl, the p...

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  9. Ozonolysis of C(7)H(14) gave 2-methylpentan-3-one. The alkene is

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  10. In the reaction CH(3)CHO+HCNrarrCH(3)CH(OH)CNoverset(H(2)O)rarrCH(...

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  11. Which of the following will be most readily dehydrated in acidic condi...

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  12. A substance C(4)H(10)O yields on oxidation a compound C(4)H(8)O which ...

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  13. (CH(3))(2)COoverset(NaCI)underset(HCI)rarr(A)underset(Delta)overset(H(...

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  14. Aldol condensation will not be observed in

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  15. The most reactive compound towards formation of cyanohydrin on treatme...

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  16. A mixture of benzaldehyde and formaldehyde on heating with aqueous NaO...

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  17. Which of the following does not give Cannizzaro's reaction

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  18. Which of the following is not correctly matched ?

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  19. Compound 'A' (molecular formula C(3)H(8)O) is treated with acidified p...

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  20. The product of acid hydrolysis of P and Q can be distinguished by

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