What is oxidation state of $\mathrm{Cl}$ in $\mathrm{KClO}_3$

What is oxidation state of $\mathrm{Cl}$ in $\mathrm{KClO}_3$
  1. $+5$
  2. $+1$
  3. $-1$
  4. $-5$

Solution

Let O.S. of $\mathrm{cl}$ of $\mathrm{x}$ $\therefore+1+x+3(-2)=0$ $x=+5$

Asked in: MHT CET 2022 (07 Aug Shift 2)

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