| Column $I$ | Column $II$ |
| $(A) \,XX '$ | $(i)$ $T-$ આકાર |
| $(B)\,XX'_3$ | $(ii)$ પંચકોણીય દ્વિપિરામિડ |
| $(C)\,XX '_5$ | $(iii)$ રેખીય |
| $(D)\,XX '_7$ | $(iv)$ સમચોરસ પિરામિડ |
| $(v)$ સમચતુષ્ફલકીય |
\(XX\) ' has linear geometry as only two atoms are present.
\((b)-(i)\)
\(XX _3^{\prime}\) has T-shaped geometry as \(3\) bond pairs and \(2\) lone pairs of electrons are present. The electron pair geometry is trigonal bipyramidal.
\((c)-(iv),\)
\(XX _5^{\prime}\) has Square - pyramidal geometry as \(5\) bond pairs and \(1\) lone pair of electrons are present. The electron pair geometry is octahedral.
\((d)-(ii)\)
\(XX _7^{\prime}\) has pentagonal bipyramidal geometry as \(7\) bond pairs and \(0\) lone pairs of electrons are present.
${H_2}O + B{r_2} \to HOBr + HBr$