Chemistry
Arrange the following as per the instruction given in the brackets.
(a) C, Pb, Sn, Ge, Si (increasing order of non-metallic character).
(b) Na, Al, Cl (increasing order of ionisation potential).
(c) Zn2+, Na+, Cu2+(order of preference of discharge at the cathode).
Periodic Table
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Answer
(a) Pb < Sn < Ge < Si < C
(b) Na < Al < Cl
(c) Na+ < Zn2+ < Cu2+
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