JEE Main 20244 Apr, Evening shiftChemistryHardRedox Reactions and Electrochemistry138× since 2002When MnO2\mathrm{MnO}_2MnO2 and H2SO4\mathrm{H}_2 \mathrm{SO}_4H2SO4 is added to a salt (A)(\mathrm{A})(A), the greenish yellow gas liberated as salt (A) is :AOption A. NH4Cl\mathrm{NH}_4 \mathrm{Cl}NH4ClBOption B. CaI2\mathrm{CaI}_2CaI2COption C. KNO3\mathrm{KNO}_3KNO3DOption D. NaBr\mathrm{NaBr}NaBrCheckSkip · show solution
