Analytical ChemistryHard
Question
Compound (X) when heated with KOH solution it produce colorless poisonous gas (Y) having rotten fish smell and solution (Z).
CuSO4(sol.) 
Black ppt (P1)
CuSO4(sol.) 
White ppt (P2) + Orange yellow solution (S).
Select the correct statements :-
Options
A.Gas (Y) is hydrogen sulphide
B.Oxidation number of metal is +1 in white ppt (P2)
C.Compound (X) contain NH4+ ion
D.Orange yellow solution (S) is decolourised on addition of sodium thiosulphate
More Analytical Chemistry Questions
Which of the following reagents turns white precipitate of AgCl yellow ?...Cu2+ ions give white precipitate with :...A dark green bead in the borax bead test (in oxidising flame) indicates the presence of :...Resistance of a given wire is obtained bymeasuring the current flowing in it and thevoltage difference applied across it...Nessler′s reagent is :...