MCQ
The optically inactive compound from the following is
- A$2 -$ chloropropanal
- B$2 -$ chlorobutane
- C$2 -$ chloropentane
- ✓$2 -$ chloro $- 2-$ methylbutane
$\underset{2-chloropropanol}{\mathop{\begin{matrix}
\,Cl\, \\
|\,\, \\
C{{H}_{3}}-C-CHO \\
|\,\, \\
H\, \\
\end{matrix}}}\,$ $\underset{2-chlorobu\tan e\,(chiral)}{\mathop{\begin{matrix}
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Cl \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\, \\
C{{H}_{3}}-C{{H}_{2}}-C-C{{H}_{3}} \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,| \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,H \\
\end{matrix}}}\,$
$\underset{(chiral)}{\mathop{\underset{2-chloropen\tan e}{\mathop{\begin{matrix}
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Cl \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,| \\
C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-C-C{{H}_{3}} \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,| \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,H \\
\end{matrix}}}\,}}\,$ $\underset{(achiral)}{\mathop{\underset{2-chloro-2-methylbu\tan e}{\mathop{\begin{matrix}
C{{H}_{3}} \\
| \\
C{{H}_{2}}-C-C{{H}_{3}} \\
| \\
Cl \\
\end{matrix}}}\,}}\,$
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$C{O_2} + 2{H_2}O\, \rightleftharpoons {H_3}{O^ + } + HCO_3^ - $
for which the equilibrium constant is $3.8 \times 10^{-7}$ and $pH = 6.0$. The ratio of $[HCO_3^- ]$ to $[CO_2]$ would be :-
| Column $I$ (Molecule/ion) | Column $II$ (Hybridisation) |
| $(A)$ $H_3O^+$ ion | $(P)$ $sp$ |
| $(B)$ $NH_2^-$ ion | $(Q)$ $sp^2$ |
| $(C)$ $NO_3^-$ ion | $(R)$ $sp^3$ |
| $(D)$ $ClF_3$ | $(S)$ $sp^3d$ |