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QNEET-2016-Ch-1021: NEET 2016 Chemistry - Class 11 NEET-2016-Ch-1021 Solution: Which of the following statements about hydrogen is incorrect?…

Which of the following statements about hydrogen is incorrect? Hydronium ion H3O+H_3O^+ 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.

Multiple Choice Options

  • A Hydronium ion, H 3 O + exists freely in solution.
  • B Dihydrogen does not act as a reducing agent.
  • C Hydrogen has three isotopes of which tritium is the most common.
  • D Hydrogen never acts as cation in ionic salts.

Step-by-Step Verified Solution

Dihydrogen acts as a powerful reducing agent and reduces metal oxides such as CuO, ZnO, PbO and Fe 3 O 4 to their respective metals. CuO + H 2 _ Cu + H 2 O ZnO + H 2 _ Zn + H 2 O Fe 3 O 4 + 4H 2 _ 3Fe + 4H 2 O Hydrogen has three isotopes of which protium is the most common and tritium is radioactive.

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