MCQ
Considering the above reactions, the compound $'A'$ and compound $'B'$ respectively are


- A

- B

- ✓

- D







Whereas in $AgCN; \;Ag - C$ has covalent bond
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$2SO_{2(g)} + O_{2(g)} \rightleftharpoons 2SO_{3(g)}$
has a value of $278$ at a particular temperature. What is the value of the equilibrium constant for the following reaction at the same temperature?
$SO_{3(g)} \rightleftharpoons SO_{2(g)} + \frac{1}{2} O_{2(g)}$