MCQ
Identify $A$ and $B$ in the chemical reaction.


- A

- B

- C

- ✓








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$(A)$ $T$ is soluble in hot aqueous $NaOH$
$(B)$ $U$ is optically active
$(C)$ Molecular formula of $W$ is $C _{10} H _{18} O _4$
$(D)$ $V$ gives effervescence on treatment with aqueous $NaHCO _3$
$Ln$ (Lanthanide) $\xrightarrow{{Burn{\text{ }}With{\text{ }}{{\text{O}}_2}{\text{ }}}}Y$
$Ln$ (Lanthanide) $\xrightarrow{{Heated{\text{ }}with{\text{ }}{{\text{N}}_2}}}Z$
$X,\, Y$ and $Z$ are respectively:-
