MCQ
Ions which have the same electronic configuration are those of
- ALithium and sodium
- BSodium and potassium
- ✓Potassium and calcium
- DOxygen and chlorine
$(1{s^2},\,2{s^2}\,2{p^6},\,3{s^2}3{p^6})$
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$S\left( s \right) + {O_2}\left( g \right) \rightleftharpoons S{O_2}\left( g \right);{K_1} = {10^{52}}$
$2S\left( s \right) + 3{O_2}\left( g \right) \rightleftharpoons 2S{O_3}\left( g \right);{K_2} = {10^{129}}$
The equilibrium constant for the reaction $2S{O_2}\left( g \right) + {O_2}\left( g \right) \rightleftharpoons 2S{O_3}\left( g \right)$ is