MCQ
The hypothetical complex triamminediaquachloro cobalt $(III)$ chloride can be represented as
- A$[CoCl(NH_3)_3(H_2O)_2 ]Cl_2$
- B$[Co(NH_3)_3(H_2O)Cl_3]$
- C$[Co(NH_3)_3(H_2O)_2Cl]$
- D$[Co(NH_3)_3(H_2O)_3]Cl_3$
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Statement $(I)$ : Both metal and non-metal exist in $\mathrm{p}$ and $d$-block elements.
Statement $(II)$ : Non-metals have higher ionisation enthalpy and higher electronegativity than the metals.
In the light of the above statements, choose the most appropriate answer from the option given below:



$\begin{array}{*{20}{c}}
O \\
{||} \\
{{C_6}{H_5} - C - C{H_3}}
\end{array}\mathop {\xrightarrow{{(i)\,B{r_2}/KOH}}}\limits_{(ii)\,{H^ \oplus }} CHB{r_3} + [X]$
$[X]$ will be :