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Standard XII

Chemistry

Preparation of Alkyl Halides

The reaction ...

Question

The reaction of cyclohexanone with dimethylamine, in the presence of catalytic amount of an acid forms a compound. During the reaction, if water is continuously removed, the compound formed is generally known as :

An amine

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An imine

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An enamine

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A Schiff's base

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Solution

The correct option is C An enamine
The reaction of cyclohexanone with dimethylamine, in the presence of catalytic amount of an acid forms a compound as shown in the reaction sequence. During the reaction, if water is continuously removed, the compound formed is generally known as an enamine.

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Similar questions

Q. Reaction of cyclohexanone with dimethyl amine in the presence of catalytic amount of an acid forms a compound if water during the reaction is continuously removed. The compound formed is known as:

Q. Fill in the blanks with suitable words:
An acid is a compound which when dissolved in water forms hydronium ions as the only _______ ions. A base is a compound which if soluble in water contains _________ ions. A base reacts with an acid to form ________ and water only. This type of reaction is known as ________.

Give plausible explanation for each of the following:

(i) Cyclohexanone forms cyanohydrin in good yield but 2, 2, 6 trimethylcyclohexanone does not.

(ii) There are two −NH₂ groups in semicarbazide. However, only one is involved in the formation of semicarbazones.

(iii) During the preparation of esters from a carboxylic acid and an alcohol in the presence of an acid catalyst, the water or the ester should be removed as soon as it is formed.

When 0 - hydroxybenzaldehyde is heated with ethanoic an hydride in presence sodium ethanoate, compound formed during the reaction is ?

Q. Compound

[A]

is an aromatic amine which react with

N a N O_{2} + H C l

273 - 278 K

and form compound

[B]

. Compound

[B]

react with

H B F_{4}

and the obtain product on further heating, in the presence of

N a N O_{2}

and confirm compound

[C]

. Compound

[C]

reduced in the presence of

S n / H C l

to re-formed compound

[A]

. Write general name of

^{'} A^{'},^{'} B^{'}

and

^{'} C^{'}

and write equation of all reaction involved?

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The reaction of cyclohexanone with dimethylamine, in the presence of catalytic amount of an acid forms a compound. During the reaction, if water is continuously removed, the compound formed is generally known as :

The correct option is C An enamineThe reaction of cyclohexanone with dimethylamine, in the presence of catalytic amount of an acid forms a compound as shown in the reaction sequence. During the reaction, if water is continuously removed, the compound formed is generally known as an enamine.

The correct option is C An enamine
The reaction of cyclohexanone with dimethylamine, in the presence of catalytic amount of an acid forms a compound as shown in the reaction sequence. During the reaction, if water is continuously removed, the compound formed is generally known as an enamine.