WAEC - Chemistry (2001 - No. 43)

Which of the following acids forms normal salts only?

Tetraoxosulphate (VI) acid

Trioxosulphate (IV) acid

Tetraoxophosphate (V) acid

Trioxonitrate (V) acid

Trioxonitrate(v) acid will only form one type of salt because it is a monobasic acid i.e. it contains only one replaceable hydrogen atom.