Which of the following reactions give oxygen gas? 1. {\KMnO}_4+2 {\KF}+ {\H}_2 {\O}_2 {50 \% {\HF}}{\rightarrow} 2. {\F}_2+ {\NaOH} \rightarrow 3. {\XeF}_2+2 {\H}_2 {\O} \rightarrow 4. {\Hg}_2 {\CrO}_4 \rightarrow

CGPET 2016 Solved Paper

Section: Chemistry

Question : 64 of 150

Marks: +1, -0

Which of the following reactions give oxygen gas?
1. KMnO4+2‌KF+H2O250%HF⟶
2. F2+NaOH⟶
3. XeF2+2H2O⟶
4. Hg2CrO4⟶

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