MCQ
The correct sequence of ionisation enthalpy of Li, Be, B, C is:
- ✓C > Be > B > Li
- BC > B > Be > Li
- CC > B > Li > Be
- DB > C > Be > Li
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$(A)$ $O$ - $O$ bond lengths are equal.
$(B)$ Thermal decomposition of $O _3$ is endothermic.
$(C)$ $O _3$ is diamagnetic in nature.
$(D)$ $O _3$ has a bent structure.

(Atomic mass, $Ag =108, Br =80\, g\, mol ^{-1}$ )
