MCQ
A solution of $Ni(NO_3)_2$ is electrolysed between platinum electrodes using $0.1$ Faraday electricity. How many mole of $Ni$ will be deposited at the cathode?
- A$0.20$
- ✓$0.05$
- C$0.10$
- D$0.15$
$\therefore \,F$ will deposit $\frac {1}{20}\,=\,0.05\,moles$ of $Ni$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$A_2(g) + 2B(g) \rightleftharpoons C(g) + Q\, kJ$ would be higher at

$\begin{array}{*{20}{c}}
{C{H_3}CH = C{H_2} + {H_2}O\overset {{H^ + }} \longleftrightarrow C{H_3} - CH - C{H_3}} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH}
\end{array}$
The reaction takes place in accordance with

| Column $-I$ | Column $-II$ |
| $(i)$ $n-$ Butane $\to 2-$ methyl propane | $(A)$ Free redical substitution |
| $(ii)$ $C{H_4} + C{l_2} \xrightarrow{{hv}} C{H_3} + Cl$ | $(B)$ Wurtz reaction |
| $(iii)$ $R - COONa\xrightarrow{{soda - \lim e}}R - H$ | $(C)$ Isomerism |
| $(iv)$ $R - X + Na\xrightarrow{{{\text{E}}ther}}R - R$ | $(D)$ De-carboxylation |