MCQ
The most stable carbonium ion among the following is
- ✓${C_6}{H_5}\mathop C\limits^ + H{C_6}{H_5}$
- B${C_6}{H_5}\mathop C\limits^ + {H_2}$
- C$C{H_3}\mathop C\limits^ + {H_2}$
- D${C_6}{H_5}C{H_2}\mathop C\limits^ + {H_2}$
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Arrange the hydrogens $a, b, c, d$ in decreasing order of their reactivities towards chlorination
$(A)$ $O$ - $O$ 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.