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Hydrogen

Short Answer Type

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

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12.

What happens when water is added to hydrolith?

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13. Can dihydrogen act as an oxidising agent? If so, give an example.

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14.

What is the molecular mass of a compound formed when tritium is burnt in air?

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15.
Why ionic hydrides are kept away from moisture?

Ionic hydrides are kept away from moisture because ionic hydrides are very reactive towards the water. Traces of water decompose it with-the liberation of dihydrogen.

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16.

Ionic hydrides are generally used to remove traces of water from organic compounds. Explain.

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17.

Out of H₂ and D₂ which has higher boiling point and why?

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18.

Give one use of liquid hydrogen.

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19.

Why dihydrogen (H₂) is not preferred for filling of balloons and airships?

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20.

What is nascent hydrogen?

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Previous Year Papers

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Test Yourself

Short Answer Type

15. Why ionic hydrides are kept away from moisture?

15.
Why ionic hydrides are kept away from moisture?