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Q.

Assertion(A) : Erythro-2,3-dihydroxy butanoic acid is optically active
Reason(R) : Erythro-2,3-dihydroxy butanoic acid contains one chiral carbon

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a

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

b

(A) is true but (R) is false

c

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

d

Both (A) and (R) are false

answer is A.

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Detailed Solution

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is Erythro-2,3-dihydroxy butanoic acid and it has 2 chiral carbons

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Assertion(A) : Erythro-2,3-dihydroxy butanoic acid is optically activeReason(R) : Erythro-2,3-dihydroxy butanoic acid contains one chiral carbon