Correct stability order of the given tautomers is

List-$I$ Reaction	List-$II$ Type of redox reaction
$(A)$ $\mathrm{N}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{NO}_{(\mathrm{g})}$	$(I)$ Decomposition
$(B)$ $\begin{aligned} & 2 \mathrm{~Pb}\left(\mathrm{NO}_3\right)_{2(\mathrm{~s})} \rightarrow 2 \mathrm{PbO}_{(\mathrm{s})}+4 \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}\end{aligned}$	$(II)$ Displacement
$(C)$ $\begin{aligned} 2 \mathrm{Na}_{(\mathrm{s})}+2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{l})} \rightarrow 2 \mathrm{NaOH}_{(\mathrm{aq} .)}+\mathrm{H}_{2(\mathrm{~g})}\end{aligned}$	$(III)$ Disproportionation
$(D)$ $\begin{aligned} 2 \mathrm{NO}_{2(\mathrm{~g})}+2-\mathrm{OH}_{(\mathrm{aq})} \rightarrow \mathrm{NO}_{2(\mathrm{aq} .)}^{-}+\mathrm{NO}_{3(\mathrm{qq} .)}^{-}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{l})}\end{aligned}$	$(IV)$ Combination

Choose the correct answer from the options given below:

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Which of these do not undergo Wurtz reaction

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The electrode potentials for

$Cu^{2+}_{(aq)} + e^- \rightarrow Cu^+_{(aq)}$ and $Cu^+_{(aq)} + e^- \rightarrow Cu_{(s)}$ are $+ 0.15\, V$ and $+ 0.50\, V$ respectively. The value of $E^o_{Cu^{2+}/Cu}$ will be ........ $V$

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The total number of stereoisomers that can exist for $M$ is

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