Match the List-I with List-II :Cations Group reactionP→Pb2+,Cu2+ H2 S gas in presence of dilute HClQ→Al3+,Fe3+ (NH4)2CO3 in presence of NH4OHR→Co2+,Ni2+ NH4OH in presence of NH4CIS→Ba2+,Ca2+ H2 S in presence of NH4OH
Question
Match the List-I with List-II :Cations Group reactionP→Pb2+,Cu2+ H2 S gas in presence of dilute HClQ→Al3+,Fe3+ (NH4)2CO3 in presence of NH4OHR→Co2+,Ni2+ NH4OH in presence of NH4CIS→Ba2+,Ca2+ H2 S in presence of NH4OH
Solution
The matching of List-I with List-II based on the group reactions of cations would be as follows:
P→Pb2+,Cu2+ matches with H2 S gas in presence of dilute HCl. This is because lead (Pb2+) and copper (Cu2+) cations form precipitates with hydrogen sulfide (H2S) in the presence of dilute hydrochloric acid (HCl).
Q→Al3+,Fe3+ matches with (NH4)2CO3 in presence of NH4OH. This is because aluminium (Al3+) and iron (Fe3+) cations form precipitates with ammonium carbonate ((NH4)2CO3) in the presence of ammonium hydroxide (NH4OH).
R→Co2+,Ni2+ matches with NH4OH in presence of NH4Cl. This is because cobalt (Co2+) and nickel (Ni2+) cations form precipitates with ammonium hydroxide (NH4OH) in the presence of ammonium chloride (NH4Cl).
S→Ba2+,Ca2+ matches with H2 S in presence of NH4OH. This is because barium (Ba2+) and calcium (Ca2+) cations form precipitates with hydrogen sulfide (H2S) in the presence of ammonium hydroxide (NH4OH).
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