Question

Difference between metallic and molecular hydrides

Answer 1

Metallic Hydrides ⇒ 
Metal hydrides are the compound which are formed by metal and hydrogen , So Basically these are the compound which reacts transition element to form hydrogen.

Examples-→
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i)  CaH₂ - Calcium Hydride 
iii) LiBH₄- Lithium BoroHydride
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Molecular Hydrides - 

Molecular or covalent hydrides formed by the combination of an element which is having comparable higher electronegativity.

Molecular hydrides are liquid or gases that have low melting & boiling point.

Examples→
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i) H₂O
ii) B₂H₆
iii) PH₃
iv)H₂O
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←←Difference B/w Metal & Molecular Hydrides→→

1)- Metal hydrides having high electrical Conductivity , While Molecular hydirde have Low electrical conductivity.

2)- Metal Hydride having High Thermal conductivity , Molecular Hydride have low thermal conductivity

3)- Metallic hydride are found in solid state while Molecular hydride are soft & volatile in Nature. 

Hope it Helps.

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