9.51. What are hydrides? Name the different types of hydrides.
9.51. What are hydrides? Name the different types of hydrides.
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1 Answer
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9.51. Dihydrogen, under certain reaction conditions, combines with almost all elements, except noble gases, to form binary compounds, called hydrides. If 'E' is the symbol of an element then hydride can be expressed as EHx (e.g., MgH2) or EmHn (e.g., B2H6).
The hydrides are classified into three categories:
(i) Ionic or saline or saltlike hydrides
(ii) Covalent or molecular hydrides
(iii) Metallic or non-stoichiometric hydrides
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HI
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