Assertion: 3-methyl-1- butene on acid catalysed hydration gives mainly 2-methyl-2-butanol as major product while the same alkene on treatment with ${(C H_{3} C O O)}_{2} H g - H_{2} O$ followed by reduction with $N a B H_{4}$ gives mainly 3-methyl-2-butanol.
Reason: Acid catalyzed hydration involve carbocation intermediate while the other does not.

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If both (A) and (R) are true and (R) is not the correct explanation of (A)

If both (A) and (R) are false

If both (A) and (R) are true and (R) is the correct explanation of (A)

If (A) is true but (R) is false

answer is A.

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Detailed Solution

1) $S N^{1} \to Reaction \to$ product is racemisation of product

$50 % R + 50 % s$
2) Pyramidal free radical which undergo inversion

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