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Functional Isomerism

NH2OH forms ...

Question

$N H_{2} O H$ forms $s y n$ and $a n t i$ isomer with :

A

benzaldehyde

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B

acetone

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C

acetaldehyde

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D

benzophenone

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Solution

The correct options are
A benzaldehyde
C acetaldehyde
When $N H_{2} O H$ reacts with aldehydes and Ketones, Oxime formation takes Place. \Deltand nyimes apnerally form a mixture of geometrical isomers.

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Similar questions

Q. Geometrical isomerism is a kind of stereoisomerism which is present in the compounds containing a double bond

(C = C, C = N . N = N)

and arise due to the restricted or frozen rotation about the double bond. The atoms or groups attached to the doubly bonded carbons must be different. In aldoximes, the isomer is named as syn if hydrogen and hydroxyl groups are on the same side of

C = N

bond and if these are on opposite sides, the isomer is named as anti. In ketoximes, the prefixes syn and anti indicate which group of ketoxime is syn or anti to hydroxyl group.
On treating with

N H_{2} O H

, which can form two products?

Q. The prefixes syn- and anti- are used to denote :

Q. Specify the reagents in which addition to alkene is syn or anti.

Q. The smallest ketone and its next homologue are reacted with

N H_{2} O H

Q. Which will form two oximes with

N H_{2} O H

?

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