1.

Which of the following molecule involves electrovalent bond?

Answer»

`H_(2)`
`CH_(4)`
`CaCl_(2)`
`HCl`

Solution :`CalCl_(2)` consists of `Ca^(2+)` and ` Cl^(-)` ions. Formation of these ions INVOLVES TRANSFER of electron. Hence, `CaCl_(2)` is an electrovalent COMPOUND.


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