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An incorrect statement among the following regarding hydrogen is:

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

Subtopic: Preparation & Properties |

66%

Level 2: 60%+

NEET - 2016

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