1.

Which of the following compounds contain (s) no covalent bond (s) ? KCl, PH_(3),O_(2), B_(2), H_(6), H_(2)SO_(4)

Answer»

`KCl,B_(2)H_(6), PH_(3)`
`KCl, H_(2) SO_(4)`
`KCl`
`KCl, B_(2), H_(2)`

SOLUTION :`K^(+) and CL^(-) ` in KCl have ionic bond while all other
compounds contain covalent bond .


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