MCQ
Which of the following compounds which is an optically active compound
- A$1-$butanol
- ✓$2-$butanol
- C$3-$butanol
- D$4-$heptanol
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Statement $I :$ The identification of $Ni ^{2+}$ is carried out by dimethyl glyoxime in the presence of $NH _{4} OH$.
Statement $II :$ The dimethyl glyoxime is a bidentate neutral ligand.
In the light of the above statements, choose the correct answer from the options given below:

$ \text { a } \mathrm{Cl}_2(\mathrm{~g})+\mathrm{b} \mathrm{OH}^{-}(\mathrm{aq}) \rightarrow \mathrm{c} \mathrm{ClO}^{-}(\mathrm{aq})+\mathrm{d} \mathrm{Cl}^{-}(\mathrm{aq}) +\mathrm{e} \mathrm{H}_2 \mathrm{O}(l)$
The values of $a, \ b,\ c$ and $d$ in a balanced redox reaction are respectively :
