1.

Which of the following order of L.E. is not correct :-

Answer»

`Al_(2)O_(3) lt MgO lt Na_(2) O`
`NaF lt MgO lt ScN lt TIC`
`KBr lt LIF lt MgO`
`LiF gt NaF gt KF`

SOLUTION :Order of `L.E rArr A_(2)B_(3) gt AB gt A_(2)B`


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