A) Boiling water
B) Heating \[{{H}_{2}}{{O}_{2}}\]
C) Prolonged electrolysis of \[{{H}_{2}}O\]
D) Fractional distillation of \[{{H}_{2}}O\]
Correct Answer: C
Solution :
[c] Prolonged electrolysis of\[~{{H}_{2}}O\] This method is based upon the principle that when ordinary water is electrolysed, protium is liberated much more readily than deuterium \[({{D}_{2}})\]because Being smaller in size H+ ions have greater mobility. Hydrogen atoms combine much more rapidly to form molecular hydrogen than do deuterium atoms to form \[{{D}_{2}}\]
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