Practice

Questions

Pick a topic and practice with clear explanations.

CUET

Q36. In which of the following cases there is a change in oxidation number? (a) Aqueous solution of CrO42- is acidified (b) SO2 gas is passed through acidified Cr2O3- solution (c) Cr2O72- solution is made alkaline (d) CrO2Cl2 is dissolved in NaOH