1. Tardigrade
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  3. Chemistry
  4. Compound (A) reacts with SOCl2 to give compound (B). The compound (B) reacts with Mg metal to give Grignard reagent, which is treated with acetone and the product is hydrolysed to give 2-methyl-2-butanal. What is A ?

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Q. Compound (A) reacts with $SOCl_2$ to give compound (B). The compound (B) reacts with Mg metal to give Grignard reagent, which is treated with acetone and the product is hydrolysed to give 2-methyl-2-butanal. What is A ?

Alcohols Phenols and Ethers

Solution:

$\underset{(A)}{CH_3CH_2OH} \xrightarrow{SOCl_2} CH_3CH_2Cl \xrightarrow[\text{ether}]{Mg} CH_3CH_2MgCl $
$CH_3CH_2MgCl + CH_3OCH_3 \xrightarrow[H_3O^+] {\text{dry ether}} \underset{\text{2-Methyl-2-buttanol}}{CH_3C(CH_3)OHCH_2CH_3}$