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Q.

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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a

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

b

If both (A) and (R) are false

c

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

d

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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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 (CH3COO)2Hg− H2O followed by reduction with NaBH4 gives mainly 3-methyl-2-butanol.Reason: Acid catalyzed hydration involve carbocation intermediate while the other does not.