- ✓${C_n}{H_{2n + 1}}X$
- B${C_n}{H_{2n + 2}}X$
- C${C_n}{H_{n + 1}}X$
- D${C_n}{H_{2n}}X$
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$\left[\right.$ Given : $K _{ sp }( AgBr )=4.9 \times 10^{-13}$ at $298 K$
$\lambda_{ Ag ^{+}}^0=6 \times 10^{-3} Sm ^2\,mol ^{-1}$
$\lambda_{ Br ^{-}}^0=8 \times 10^{-3} Sm ^2\,mol ^{-1}$
$\left.\lambda_{ NO _3^{-}}^0=7 \times 10^{-3} Sm ^2\,mol ^{-1}\right]$

$\begin{matrix}
\underset{X}{\mathop{H}}{{O}_{2}}C-C{{H}_{2}}-CH-C{{O}_{2}}\underset{Z}{\mathop{H}}\, \\
\,\,\,\,\,\,\,\,\,\,\,| \\
\,\,\,\,\,\,\,\,\,\,\,\,\,+N{{H}_{3}} \\
\end{matrix}$
The isoelectric point for the amino acid is
Statement $(I)$ : $\mathrm{S}_{\mathrm{N}} 2$ reactions are 'stereospecific', indicating that they result in the formation only one stereo-isomers as the product.
Statement $(II)$ : $\mathrm{S}_N 1$ reactions generally result in formation of product as racemic mixtures. In the light of the above statements, choose the correct answer from the options given below :
