MCQ
The $pH$ of ${10^{ - 5}}\,M$ aqueous solution of $NaOH$ is
- A$5$
- B$7$
- ✓$9$
- D$11$
$[O{H^ - }] = {10^{ - 5}}$ $M$ ;$[{H^ + }]\,\,[O{H^ - }] = {10^{ - 14}}$
$[{H^ + }] = \frac{{{{10}^{ - 14}}}}{{{{10}^{ - 5}}}}$ ; $[{H^ + }] = {10^{ - 9}}$ $M$ ; $pH = 9$.
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$C{H_3}C{H_2}C{H_2}OH \xrightarrow{PCl_3}A\xrightarrow{Alco.KOH}B$
$N_{2(g)} + O_{2(g)} \rightleftharpoons 2NO_{(g)}$ is $K,$ the equilibrium constant for $\frac{1}{2} N_{2(g)} + \frac{1}{2} O_{2(g)} \rightleftharpoons NO_{(g)}$ will be