MCQ
If the $pH$ of a solution is $ 2$, its normality will be
  • A
    $2$
  • B
    $0.5$
  • $0.01$
  • D
    None of these

Answer

Correct option: C.
$0.01$
(c) $pH = 2$ ; $pH = - \log \,\,[{H^ + }]$ ; $2 = - \log \,\,\,[{H^ + }]$

$[{H^ + }] = {10^{ - 2}} = 0.01\,N$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The bond dissociation energies of $\mathrm{X}_{2}, \mathrm{Y}_{2}$ and $\mathrm{XY}$ are in the ratio of $1: 0.5: 1 . \Delta \mathrm{H}$ for the formation of $\mathrm{XY}$ is $-200\; \mathrm{kJ} \mathrm{mol}^{-1} .$ The bond dissociation energy of $X_2$ will be......$\mathrm{kJ} \mathrm{mol}^{-1}$
Which of the following reagents cannot distinguish between glucose and fructose ?
Thermally most stable compound is
Which among the following compound reacts with $NaOH$ at fastest rate
The total number of $Mn = O$ bonds in $Mn _{2} O _{7}$ is
For the reaction $X ( s ) \rightleftharpoons Y ( s )+ Z ( g )$, the plot of $\ln \frac{ p _z}{ p ^\theta}$ versus $\frac{10^4}{T}$ is given below (in solid line), where $p_z$ is the pressure (in bar) of the gas $Z$ at temperature $T$ and $P ^{\ominus}=1$ bar.

(Given, $\frac{ d (\ln K )}{ d \left(\frac{1}{T}\right)}=-\frac{\Delta H^{\ominus}}{ R }$, where the equilibrium constant, $K =\frac{ p _{ z }}{ p ^{\ominus}}$ and the gas constant, $R =8.314$ $\left.J K ^{-1} mol ^{-1}\right)$

($1$) The value of standard enthalpy, $\Delta H ^{\ominus}$ (in $kJ mol ^{-1}$ ) for the reaction is. . . . . . .

($2$) The value of $\Delta S^{\ominus}$ (in $J K ^{-1} mol ^{-1}$ ) for the given reaction, at $1000 K$ is. . . . . . 

Give the answer or quetin ($1$) and ($2$)

Which of the following molecules does not have co- ordinate bonds?
$\begin{array}{*{20}{c}}
{C{H_3} - CH = C - C = CH - C{H_3}}\\
{|\,\,\,\,\,\,\,\,\,|}\\
{\,Br\,\,\,\,Cl}
\end{array}$

How many geometrical isomers are possible for this compound?

The nature of anode rays depends upon
For the galvanic cell,

$\mathrm{Zn}(\mathrm{s})+\mathrm{Cu}^{2+}(0.02 \mathrm{M}) \rightarrow \mathrm{Zn}^{2+}(0.04 \mathrm{M})+\mathrm{Cu}(\mathrm{s})$

$\mathrm{E}_{\text {cell }}=...... \,\times 10^{-2} \,\mathrm{~V} { (Nearest integer) }$

${\left[\text { Use }: \mathrm{E}_{\mathrm{Cu} / \mathrm{Cu}^{2+}}^{0}=-0.34\, \mathrm{~V}, \mathrm{E}_{2 \mathrm{n} / \mathrm{Zn}^{2+}}^{0}=+0.76 \,\mathrm{~V}\right.}$

$\left.\frac{2.303 \mathrm{RT}}{\mathrm{F}}=0.059\, \mathrm{~V}\right]$