An organic compound B is formed by the r...

An organic compound B is formed by the reaction of ethylmagnesium iodide `(CH_(3)CH_(2)MgI)` with a substance A, followed by treatment with dilute aqueous acid. Compound B does not react with `PC C` in dichloromethane. Identify A ?

`CH_(3)overset(O)overset(||)CH`

`H_(2)C=O`

`CH_(3)CH_(2)overset(O)overset(||)C CH_(3)`

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The correct Answer is:

B is a tertiary alcohol based on given properties.

`underset("(A)")(CH_(3)CH_(2))overset(O)overset(||)C CH_(3)+CH_(3)CH_(2)Mgl overset(H_(3)O^(+))rarrunderset(3^(@)" alcohol")(ECH_(3)CH_(3)overset(OH)overset("| ")underset(CH_(3))underset("| ")"CC"H_(2)CH_(3))`

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