Aldehydes and Ketones - Result Question 44

####54. Match the compounds/ions in Column I with their properties/reactions in Column II.

(2007,6M)

Column I Column II
A. C6H5CHO p. gives precipitate with
2, 4-dinitrophenylhydrazine
B. CH3CCH q. gives precipitate with AgNO3
C. CN r. is a nucleophile
D. I s. is involved in cyanohydrin
formation

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Answer:

Correct Answer: 54. Ap,q,sBq,rCq,r,sDq,r.

Solution:

Column I Column II
A. C6H5CHO Gives phenyl hydrazone with 2,
4-dinitrophenyl hydrazine.
Gives precipitate with AgNO3, Tollen’s
test forms cyanohydrin.
B. CH3CCH Gives precipitate (CH3CCAg)
with AgNO3.
A nucleophile, undergo electrophilic attack.
C. CN Forms AgCN with AgNO3.
A nucleophile is involved in cyanohydrin
formation.
D. I Gives AgI precipitate with AgNO3 and it is
a nucleophile.


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