- ✓Oxidation
- BReduction
- CAuto-oxidation
- DNone of the above
$Cu \stackrel{\text { Oxidation }}{\longrightarrow} Cu ^{2+}\,+\,2$ electrons
Here oxidation number increases from $0$ to $+2$
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$2 {X}+\mathrm{B}_2 \mathrm{H}_6 \rightarrow\left\lfloor\mathrm{BH}_2(\mathbf{X})_2\right\rfloor^{+}\left\lfloor\mathrm{BH}_4\right]^{-}$ the amine(s) ${X}$ is$(are)$
$(A)$ $\mathrm{NH}_3$ $(B)$ $\mathrm{CH}_3 \mathrm{NH}_2$ $(C)$ $\left(\mathrm{CH}_3\right)_2 \mathrm{NH}$ $(D)$ $\left(\mathrm{CH}_3\right)_3 \mathrm{~N}$

$2AB_{2(g)} \rightleftharpoons 2AB_{(g)} + B_{2(g)}$
The degree of dissociation is $x$ and is small compared to $1.$ The expression relating the degree of dissociation $(x)$ with equilibrium constant $K_P$ and total pressure $P$ is
Statement $I$: IUPAC name of $\mathrm{HO}-\mathrm{CH}_2-\left(\mathrm{CH}_2\right)_3-$ $\mathrm{CH}_2-\mathrm{COCH}_3$ is $7$-hydroxyheptan-2-one.
Statement $II$: $2$-oxoheptan-$7$-ol is the correct IUPAC name for above compound.In the light of the above statements. choose the most appropriate answer from the options given below: