JEE Main 202524 Jan, Evening shiftChemistryEasyPrinciples Related to Practical Chemistry54× since 2004Find the compound 'A' from the following reaction sequences. A→aqua-regiaB→(2) AcOH(1) KNO2∣NH4OH\mathrm{A} \xrightarrow{\text{aqua-regia}} \mathrm{B} \xrightarrow[\text{(2) AcOH}]{\text{(1) } \mathrm{KNO_2|NH_4OH}}Aaqua-regiaB(1) KNO2∣NH4OH(2) AcOH yellow pptAOption A. NiSBOption B. ZnSCOption C. MnSDOption D. CoSCheckSkip · show solution
