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Grignard Reagents

Select X and ...

Question

Select $X$ and $Y$ from the following are respectively:
(where $I : M n O_{4}^{-} / O H^{-}$ and $I I : i . H C O_{3} H, i i . H_{3} O^{+}$ )

A

I, I I

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B

I I, I

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C

I I, I I

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D

I, I

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Solution

The correct option is A $I, I I$
Both sets of reagents do dihydroxylation of alkene.
$I : K M n O_{4} / O H^{-} \to Syn addition$
$I I : i . H C O_{3} H, i i . H_{3} O^{+} \to Anti addition$ .
From the products given, $X$ is $K M n O_{4} / O H^{-}$ and $Y$ is $i . H C O_{3} H, i i . H_{3} O^{+}$ .

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