1.

Among Al_2O_3, SiO_2, P_2O_3 and SO_2 the correct order of acid strength is

Answer»

`Al_2O_3 LT SiO_2 lt SO_2 lt P_2O_3`
`SiO_2 lt SO_2 lt Al_2O_3 lt P_2O_3`
`SO_2 lt P_2O_3 lt SiO_2 lt Al_2O_3`
`Al_2O_3 lt SiO_2 lt P_2O_3 lt SO_2`

ANSWER :D


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