MCQ
An optically active compound $'X'$ having molecular formula $C_4H_8O_3$ it evolves $CO_2$ with $NaHCO_3.\,'x'$ on treatment with $LiAlH_4$ gives achiral compound then $'x'$ is
- A

- B

- ✓

- D






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$SO_3(g) \rightleftharpoons SO_2(g)+ \frac{1}{2} O_2(g)$
is $K_c= 4.9 \times 10^{-2}.$ The value of $K_c$ for the reaction
$2SO_2(g) + O_2(g) \rightleftharpoons 2SO_3(g)$
will be


