{Mg}²+}, {Cu}²+}, {Na}¹+}, {H}¹+} (In the ...

ICSE Class 10 Chemistry 2019 Paper

Arrange the following according to the instructions given in brackets:

Question : 35 of 86

Marks: +1, -0

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

(In the order of preferential discharge at the cathode)

Solution:

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

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