Question

Explain how metallic hydrides are useful for hydrogen storage?​

Answer 1

Answer:

i. In metallic hydrides, hydrogen is absorbed as H-atoms.

ii. Inclusion of H-atom results in the expansion of metal lattice and therefore, it becomes less stable.

iii. On heating, the less stable metal lattice decomposes to form hydrogen and very finely divided metal.

iv. The hydrogen thus produced can be used as fuel.

⚽Thus, metallic hydrides are useful for hydrogen storage.

Answer 2

The metallic hydrides are useful for hydrogen storage. These metallic hydrides absorb hydrogen as H atoms. The metal lattice expands and becomes less stable. On heating, the metallic hydride decomposes to hydrogen and finely divided metal.

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