What is oxidation number of Ru in $\left[\mathrm{Ru}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{H}_{2}…

What is oxidation number of Ru in $\left[\mathrm{Ru}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{H}_{2} \mathrm{O}\right] \mathrm{Cl}_{2} ?$
  1. $+6$
  2. $+5$
  3. $+1$
  4. $+2$

Solution

$\mathrm{NH}_{3}$ and $\mathrm{H}_{2} \mathrm{O}$ are neutral molecules. $\therefore$ Oxidation number of $\mathrm{Ru}=+2$

Asked in: MHT CET 2020 (15 Oct Shift 2)

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