MCQ
Among the following molecules which one have smallest bond angle
- A$N{H_3}$
- B$P{H_3}$
- C${H_2}O$
- ✓${H_2}Sc$
${H_2}Se = 91^o ,\;{H_2}S = 92.5^o $
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$2A{B_3}(g) \rightleftharpoons {A_2}(g) + 3{B_2}(g)$. At equilibrium, $2\, mol$ of $A_2$ are found to be present. The equilibrium constant of this reaction is

