STD 11 - 3. Classification of elements and periodicity in properties — NEET STD 11 Science — Question

$(I)$ Low enthalpy of dissociation of $F-F$ bond

$(II)$ High hydration enthalpy of $F^-$

$(III)$ Low atomisation enthalpy of $F_2$

$(I)\,\, O_3 \to $ product

$(II)\,\,C{r_2}O_7^{ - 2}\xrightarrow{{{H^ + }}}$ product

$(III)\,\,MnO_4^\Theta \xrightarrow{{{H^ + }}}$ product

$(IV)\,\, H_2S \to $ product

$(I)$  $\begin{matrix}
   \begin{matrix}
   \,\,\,Br  \\
   |  \\
\end{matrix}  \\
   Ph-C-Ph  \\
   |  \\
   \,\,\,\,\,\,C{{H}_{3}}  \\
\end{matrix}$

$(II)$  $\begin{matrix}
   Br  \\
   |\,\,\,  \\
   Ph-CH-Ph  \\
\end{matrix}$

$(III)$  $\begin{matrix}
   Ph-CH-C{{H}_{3}}  \\
   |\,\,\,\,\,\,\,  \\
   Br\,\,\,\,\,\,  \\
\end{matrix}$

$(IV)$  $PhVH_2Br$