Regarding hydrogen and its isotopes, incorrect statement is

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H-H and D-D bond lengths are equal

Ionization potential of hydrogen is low

During electrolysis, hydrogen can be liberated at cathode or at anode

Most reactive isotope of hydrogen is protium

answer is B.

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Detailed Solution

Ionization potential of hydrogen is high(1312 kJ/mole). It resembles halogens in this property.

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