The following observations were made by a student on treating four metals P, Q, R and S
with the given salt solutions: 2
Sample MgSO4 (aq) Zn(NO3)2(aq) CaSO4 (aq) Na2SO4(aq)
P No reaction Reaction Occurs Reaction Occurs No reaction
Q Reaction Occurs Reaction Occurs Reaction Occurs Reaction Occurs
R No reaction Reaction Occurs No reaction No reaction
S No reaction No reaction No reaction No reaction
Based on the above observations:
(a) Arrange the given samples in the increasing order of reactivity
(b) Write the chemical formulae of products formed when Q reacts with CuSO4 solution.
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No reaction Reaction Occurs Reaction Occurs No reaction
Q Reaction Occurs Reaction Occurs Reaction Occurs Reaction Occurs
R No reaction Reaction Occurs No reaction No reaction
S No reaction No reaction No reaction No reaction
Based on the above observations:
(a) Arrange the given samples in the increasing order of reactivity
(b) Write the chemical formulae of products formed when Q reacts with CuSO4 solution.
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