Huckel's rule states that the hydroxyl group which is attached directly to a double-bonded carbon atom becomes an aldehyde or a ketone.

True

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False

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Solution

The correct option is B False

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Similar questions

Q. Erlenmeyer rule states that all alcohols in which the hydroxyl group is attached directly to a double-bonded carbon atom become .

The most characteristic reaction of aldehyde and ketones is nucleophilic addition to carbon oxygen double bond. Aldehyde and ketones are easily susceptible to nucleophilic addition because of structural features. The trigonal planar arrangement of groups around the carbonyl carbon atom means that the carbonyl carbon atom is relatively open to attack from above and below the plane of carbonyl group. The partial positive charge on the carbonyl atom means that it is especially susceptible to attack by a nucleophile

Oximes are formed by the reaction of aldehyde or ketones with

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 alpha carbon in an organic compound refers to the carbon atom directly attached to the functional group, such as a carbonyl group.

Q. An organic compound is a clear liquid having a molecular formula

C_{4} H_{8} O

. It has an open-chain structure. Without any carbon-carbon double bond. The compound can be:

a) An alcohol
b) An ester
c) An aldehyde
d) A ketone

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