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Question

Among CaH2,NH3,NaH and B2H6 which are covalent hydride

A
NH3 and B2H6
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B
NaH and CaH2
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C
NaH and NH3
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D
CaH2 and B2H6
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Solution

The correct option is A NH3 and B2H6

CaH2 and NaH are saline hydrides due to high difference of electronegativity between the elements. NH3 and B2H6 are covalent hydrides.


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