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
הֶסבֵּר
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.