Which of the following statements about hydrogen are incorrect?

1.	Which of the following statements about hydrogen are incorrect?
Answer» Hydronium ion, `H_(3)O^(+)` exists freely in solution. 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. Solution :(b,c) Both these statement are incorrect. Dihydrogen `(H_(2))` can act asreducing agent. For EXAMPLE `CuO+H_(2) to Cu+H_(2)O` `ZnO+H_(2) to Zn+H_(2)O` Out of the three isotopes, PROTIUM `(._(1)^(1)H)` is the most common.

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