The compound which is not isomeric with diethyl ether is

$(1)$ $\begin{matrix}
C{{H}_{3}} \\
|\,\,\,\,\,\, \\
ZNH\,C\,HC{{O}_{2}}H \\
\end{matrix}$ $(2)$ $\begin{matrix}
C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
{{H}_{2}}N\,C\,HC{{O}_{2}}C{{H}_{2}}{{C}_{6}}{{H}_{5}} \\
\end{matrix}$

$(3)$ $\begin{matrix}
\,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{3}}{{C}_{6}}{{H}_{5}} \\
|\,\,\,\,\, \\
ZNH\,C\,HC{{O}_{2}}H \\
\end{matrix}$ $(4)$ $\begin{matrix}
C{{H}_{2}}{{C}_{6}}{{H}_{5}}\,\,\,\,\, \\
|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
{{H}_{2}}N\,CHC{{O}_{2}}C{{H}_{2}}{{C}_{6}}{{H}_{5}} \\
\end{matrix}$

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Assertion: $CH_3COCl$ is converted to $CH_3CONH_2$ on reaction with $NH_3$.
Reason : $Cl$ is a stronger nucleophile and better leaving group

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Among the following options, select the option in which each complex in Set-$l$ shows geometrical isomerism and the two complexes in Set-$II$ are ionization isomers of each other.

$\text { [en }= H _2 NCH _2 CH _2 NH _2 \text { ] }$

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Of the following, the compound possessing optical isomerism

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The pair of complex compounds $\left[ {Cr{{\left( {{H_2}O} \right)}_6}C{l_3}} \right]$ and $\left[ {Cr{{\left( {{H_2}O} \right)}_5}Cl} \right]C{l_2}{H_2}O$ are an example of

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Identify the site, where attack of $H^+$ is most favourable