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Reaction of carbonyl compound with one o...

Reaction of carbonyl compound with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:

A

Grignard reagent

B

hydrocyanic acid

C

hydrazine in presence of feebly acidic solution

D

sodium hydrogen sulphite

Text Solution

Verified by Experts

The correct Answer is:
C
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OP TANDON-ALDEHYDES AND KETONES -OBJECTIVE QUESTIONS (LEVEL -A)
  1. The appropriate reagent for the following transfromation:

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

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

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

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

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

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

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

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

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

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

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  12. Aldol condensation will not be observed in

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

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

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

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  16. Which of the following is not correctly matched ?

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

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

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  19. A compound does not react with 2,4-dinitrophenyl hydrazine, compound i...

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  20. Which one of the following does not form sodium bisulphite addition pr...

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