Single Choice

Isobutyl magnesium bromide with dry ether and absolute alcohol gives:

A$$\;CH_{ 3 }-\underset{ \underset {\textstyle CH_{ 3 } }{ \mid } }{ C } { H }-CH_{ 2 }OH$$ and $$CH_3CH_2MgBr$$
B$$\;CH_{ 3 }-\underset { \underset { \textstyle CH_{ 3 } }{ \mid } }{ C } { H }-CH_{ 2 }-CH_{ 2 }-CH_{ 3 }$$ and $$Mg\: (OH)\: Br$$
C$$\;CH_{ 3 }-\underset { \underset {\textstyle CH_{ 3 } }{ \mid } }{ C } { H }-CH_{ 3 },CH_{ 2 }=CH_{ 2 }$$ and $$Mg\: (OH)\: Br$$
D$$\;CH_{ 3 }-\underset { \underset {\textstyle CH_{ 3 } }{ \mid } }{ C}{H} -CH_{ 3 }$$,and $$CH_ 3CH_ 2OMgBr$$
Correct Answer

Solution

The reaction of isobutyl magnesium bromide with absolute alcohol in dry ether gives a mixture of isobutane and magnesium bromide ethanolate.

SIMILAR QUESTIONS

Alcohols, Phenols and Ethers

The gas evolved on heating $$CH_3MgBr$$ with methanol is:

Alcohols, Phenols and Ethers

Which of the following compounds will form hydrocarbon on reaction with Grignard reagent?

Alcohols, Phenols and Ethers

The most suitable reagent for the conversion of primary alcohol into aldehyde with the same number of carbon is:

Alcohols, Phenols and Ethers

Grignard reagents give alkane, on reaction with:

Alcohols, Phenols and Ethers

The alkene formed in the given reaction will be:

Alcohols, Phenols and Ethers

When Grignard reagent reacts with $$(B)$$ product $$(D)$$ will obtained. Reactant $$(A)$$ of the above reaction is :

Alcohols, Phenols and Ethers

Product $$(C)$$ of the above reaction is :

Alcohols, Phenols and Ethers

Which of the following will undergo acid-base reaction with Grignard reagent?

Alcohols, Phenols and Ethers

Find the value of x.

Alcohols, Phenols and Ethers

Grignard reagent is usually prepared by : $$R-X+Mg\xrightarrow {E{ t }_{ 2 }O} RMgX$$ Grignard reagent $$Ar-X+Mg\xrightarrow {E{ t }_{ 2 }O} ArMgX$$ 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 $$EtOH$$, give $$n-$$butane as product (excluding stereoisomerism)

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