WAEC - Chemistry (1990 - No. 23)
Which of the following statements explains why tetraoxosulphate (IV) acid is reqarded as a strong acid?
Tetraoxosulphate (IV) acid is dibasic
the acid is concentrated
the acid is complately ionized in aqueous solution
tetraxosulphate (IV) ions are very reactive
the acid is highly corrosive
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