MCQ
$P^H$ of $10^{-3}\, M\, NaCl$ solution at $25\,^oC$ is
- ✓$7$
- B$11$
- C$3$
- DNone of these
Thus, the $pH$ of the solution will be $7 .$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$\begin{array}{*{20}{c}}
{C{H_3} - CH - CH - C{H_2} - C{H_3}} \\
{\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,CN\,\,\,\,\,\,\,\,\,CH = C{H_2}\,\,}
\end{array}$

| Column $-I$ | Column $-II$ |
| $(a)$ $4s$ | $(p)$ Circular orbit around nucleus |
| $(b)$ $4p$ | $(q)$ Non directional orbital |
| $(c)$ $1s$ | $(r)$ Angular momentum $=2h/\pi $ |
| $(d)$ $3d$ | $(s)$ Radial node is zero |