Which of the following statements about hydrogen is incorrect?

  • A
    Hydronium ion,$H_3O^{+}$ 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
    Both $(b)$ and $(c)$

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Similar Questions

Given below are two statements: one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R).$
Assertion $(A):$ Heavy water is used for the study of reaction mechanism.
Reason $(R):$ The rate of reaction for the cleavage of $O-H$ bond is slower than that of $O-D$ bond.
Choose the most appropriate answer from the options given below:

Identify the correct statements from the following:
$i$. Reaction of hydrogen with fluorine occurs even in dark.
$ii$. Manufacture of ammonia by Haber process is an endothermic reaction.
$iii$. $HF$ is an electron-rich hydride.

How do you expect the metallic hydrides to be useful for hydrogen storage? Explain.

Which of the following is used for the extraction of glue from bones?

The hydrides of which group elements are examples of electron-precise hydrides?

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