MCQ
The atomic number of an element having the valency shell electronic configuration $4{s^2}4{p^6}$ is
- A$35$
- ✓$36$
- C$37$
- D$38$
Hence no. of ${e^ - } = $ no. of protons $ = 36 = Z$.
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Major product $(A)$ of the above reaction
$\mathrm{MnO}_{4}^{-}+\mathrm{C}_{2} \mathrm{O}_{4}^{2-}+\mathrm{H}^{+} \longrightarrow \mathrm{Mn}^{2+}+\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}$
the correct coefficients of the reactants for the balanced equation are
$\mathrm{MnO}_{4}^{-} \quad \mathrm{C}_{2} \mathrm{O}_{4}^{2-}\quad \mathrm{H}^{+}$