ChemistryEasy95×since 2002Q1498On passing a gas, 'X\mathrm{X}X', through Nessler's regent, a brown precipitate is obtained. The gas 'X\mathrm{X}X' isACl2\mathrm{Cl}_2Cl2BCO2\mathrm{CO}_2CO2CNH3\mathrm{NH}_3NH3DH2S\mathrm{H}_2 \mathrm{S}H2SCheck answerSkip