MCQ
The mass of neutron is nearly
- A${10^{ - 23}}\,kg$
- B${10^{ - 24}}\,kg$
- C${10^{ - 26}}\,kg$
- ✓${10^{ - 27}}\,kg$
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$\mathrm{Pt}(s) \mid \mathrm{H}_2(g, 1 \text { bar })\left|\mathrm{H}^{+}(a q, 1 \mathrm{M}) \| \mathrm{M}^{4+}(a q), \mathrm{M}^{2+}(a q)\right| \mathrm{Pt}(s)$
$E_{\text {cell }}=0.092 \mathrm{~V} \text { when } \frac{\left[\mathrm{M}^{2+}(a q)\right]}{\left[\mathrm{M}^{4+}(a q)\right]}=10^x$
Given : $ E_{\mathrm{M}^4 / \mathrm{M}^{2+}}^0=0.151 \mathrm{~V} ; 2.303 \frac{R T}{F}=0.059 \mathrm{~V}$
The value of $x$ is

If the above equation is balanced with integer coefficients, the value of $c$ is ...........
(Round off to the Nearest Integer).