MCQ
In the following acid-base reaction, in which can backward reaction if favoured?
- A

- B$KH + EtOH \rightleftharpoons$
- C$Me_3 CO^{\circleddash} + H_2O \rightleftharpoons$
- D



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Reason : Resonance hybrid cannot be presented by a single structure.
$SO_3(g) \rightleftharpoons SO_2(g)+ \frac{1}{2} O_2(g)$
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
( $p$ : pressure, $V$ : volume, $T$ : temperature, $H$ : enthalpy, $S$ : entropy)