MCQ
Sigma bond is more stronger than $\pi-$bond because of:
- ALarge extent of overlapping in $\pi-$bond.
- BSmall extent of overlapping in $\sigma-$bond.
- CSmall extent of overlapping in $\pi-$bond.
- DBoth (a) and (b).
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${A_2}B(g) \to {A_2}(g) + B(g);\,\,\,\Delta {H^o} = 40\,kJ/mol$
${A_2}B(g) \to A(g) + AB(g);\,\,\,\Delta {H^o} = 50\,kJ/mol$
.....$ kJ/mol$
$A + B \rightleftharpoons C + D$ is $1 \times 10^{-2}$ at $298\, K$ and is
$2$ at $273\, K$. The chemical process resulting in the formation of $C$ and $D$ is