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Question

With reference to the scheme given, which of the given statement(s) about T, U, V and W is (are) correct?
28948_99b8701ef6574f0cb0380e43102e61c6.png
  1. T is soluble in hot aqueous NaOH.
  2. Molecular formula of W is C10H18O4.
  3. U is optically active.
  4. V gives effervescence on treatment with aqueous NaHCO3.

A
V gives effervescence on treatment with aqueous NaHCO3.
B
T is soluble in hot aqueous NaOH.
C
U is optically active.
D
Molecular formula of W is C10H18O4.
Solution
Verified by Toppr

The statements A,C and D are correct.
(A) T is soluble in hot aqueous NaOH. In the alkaline medium, the lactone ring is hydrolyzed to form sodium salt which increases solubility.
(B) U is optically inactive as no chiral center is present.
(C) Molecular formula of W is C10H18O4.
(D) V gives effervescence on treatment with aqueous NaHCO3 as it contains -COOH group which reacts with sodium hydrogen carbonate to release carbon dioxide.

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