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Hydrogen

Question
CBSEENCH11008233
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Which of the following statement about hydrogen is incorrect?

  • Hydrogen never acts as cation in ionic salts

  • Hydronium ion, H3O+ exist freely in solution

  • Dihydrogen does not act as a reducing agent

  • Hydrogen has three isotopes of which tritium is the most common

Solution

C.

Dihydrogen does not act as a reducing agent

We can have both answers (C, D) 
For ionic salts, hydrogen never behaves as cation, but behaves as anion (H-)
H3O+ exist freely in solution
Dihydrogen acts as a reducing agent.
Hydrogen has three isotopes. Protium, Deuterium and Tritium. Protium is the most common isotopes of hydrogen with an abundance of 99.98%.

Some More Questions From Hydrogen Chapter

Give laboratory Preparation of Dihydrogen ?

Name the substances in which hydrogen exhibits 0 and -1 oxidation states.

Name one isotope of hydrogen which has no neutron.

Which isotope of hydrogen is used as a tracer in organic reactions ?

Hydrogen is the lightest gas. Still its use in filling balloons has been discarded. Why?

Hydrogen forms both H+ ion and H- ion. Explain.

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