What is the oxidation state of sulphur in oil of vitriol?

What is the oxidation state of sulphur in oil of vitriol?
  1. $+2$
  2. $+6$
  3. $-3$
  4. $+3$

Solution

Oil of vitriol $\rightarrow \mathrm{H}_{2} \mathrm{SO}_{4}^{6+}$

Asked in: MHT CET 2020 (19 Oct Shift 1)

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