MCQ
A bivalent metal has an equivalent mass of $32$. The molecular mass of the metal nitrate is :
- A$182$
- B$168$
- C$192$
- ✓$188$
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$2NO_{(g)} + O_{2(g)} \rightleftharpoons 2NO_{2(g)}$
What is $K$ for the reaction,
$NO_{2(g)} \rightleftharpoons \frac{1}{2} N_{2(g)} + O_{2(g)}$