NEET 2016 Physics and Chemistry Paper 1

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Question : 79 of 90

Marks: +1, -0

Which of the following statements about hydrogen is incorrect ?

[NEET 2016 P1]

Dihydrogen does not act as a reducing agent.
Hydrogen has three isotopes of which tritium is the most common.
Hydrogen never acts as cation in ionic salts.
Hydronium ion, H3O‌+ exists freely in solution.

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