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Preparation of Alkanes with Grignard Reagent

Grignard reag...

Question

Grignard reagent is not prepared in aqueous medium but prepared; in ether medium because the reagent

A

Reacts with water

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B

Is insoluble in water

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C

Is highly reactive in ether

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D

Becomes inactive in water

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Solution

The correct option is A Reacts with water
Grignard reagent react with water or any compound with acidic hydrogens to give corresponding hydrocarbons.

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Similar questions

Q. Grignard reagent is not prepared in aqueous medium but prepared; in ether medium because the reagent

Grignard reagent is usually prepared by :

R - X + M g E t_{2} O - -- \to R M g X

Grignard reagent

A r - X + M g E t_{2} O - -- \to A r M g X

Grignard reagent

Grignard reagent acts as a strong base. Grignard reagent carry out nucleophilic attack in absence of acidic hydrogen. Grignard reagent form complex with its ether solvent. Complex formation with molecule of ether is an important factor in the formation and stability of Grignard reagent.

Which of the following Grignard reagents are not possible ?

Q. Give reasons:
a) Alkyl halides are insoluble in water although they contain polar C-X bond.
b) Grignard reagent should be prepared under anhydrous condition.
c) Vinyl chloride is less reactive than ethyl chloride towards nucleophilic substitution reactions.

A Grignard reagent is prepared by the action of magnesium in dry ether on

Grignard reagent is usually prepared by :

R - X + M g E t_{2} O - -- \to R M g X

Grignard reagent

A r - X + M g E t_{2} O - -- \to A r M g X

Grignard reagent

Grignard reagent acts as a strong base. Grignard reagent carry out nucleophilic attack in absence of acidic hydrogen. Grignard reagent form complex with its ether solvent. Complex formation with molecule of ether is an important factor in the formation and stability of Grignard reagent.

How many different Grignard reagents when react with

E t O H

n -

butane as product (excluding stereoisomerism)

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