MCQ
Among the given cations, the most stable carbonium ion is ?
- Asec-butyl
- ✓tert-butyl
- C$n$ -butyl
- DNone of these
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In which of the following pair above statement is $NOT$ $CORRECT$ ?
$(i)$ $6C(s) + 3{H_2}(g) \to {C_6}{H_6}(l);\,\Delta H = + 45.9\,kJ$
$(ii)$ ${H_2}(g) + \frac{1}{2}{O_2}(g) \to {H_2}O(l);\,\Delta H = - 285.9\,kJ$
$(iii)$ $C(s) + {O_2}(g) \to C{O_2}(g);\,\Delta H = - 393.5\,kJ$
........$kJ$
