8.2 Organic chemistry isomerism — Chemistry STD 11 Science — Question

${N_2}(g)\, + \,3{H_2}(g)\,\rightleftharpoons  \,2N{H_3}\,(g)$

at constant temperature and pressure. Then the ratio of the final volume to the initial volume of gases are.

$CH_3 -CH = CH -CH( OH)-Me$ is :

$(A)$ It behaves as a weak acid in water due to self ionization.

$(B)$ Acidity of its aqueous solution increases upon addition of ethylene glycol.

$(C)$ It has a three dimensional structure due to hydrogen bonding.

$(D)$ It is weak electrolyte in water.

$(I)$ $\begin{array}{*{20}{c}}
{{{\left( {C{H_3}} \right)}_3}Si - NB{H_2}}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Si{{(C{H_3})}_3}}
\end{array}$     $(II)$ $\begin{array}{*{20}{c}}
{{{\left( {C{H_3}} \right)}_3}C - NB{H_2}}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{(C{H_3})}_3}}
\end{array}$

$(a)$ $R_2SiO$ is repeating unit of linear silicones

$(b)$ $RSiCl_3$ on hydrolysis followed by dehydration gives linear silicones

$(c)$ Silicones can be used as heat insulator

$(d)$ Silica is soluble in $HF$

The correct statement$(s)$ is/are