ICSE Class 10 Chemistry 2019 Solved Paper

Arrange the following according to the instructions given in brackets:

Question : 35 of 86

Marks: +1, -0

{\Mg}^{2+}, {\Cu}^{2+}, {\Na}^{1+}, {\H}^{1+}

(In the order of preferential discharge at the cathode)

Solution:

\; {\Na}^{+} < {\Mg}^{2+}< {\H}^{+}< {\Cu}^{2+}

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