(a) List two industrial uses of concentrated tetraoxosulphate (VI) acid (b) The diagram below represents…

 (a) List two industrial uses of concentrated tetraoxosulphate (VI) acid

(b) The diagram below represents the set-up for the electrolysis of dilute tetraoxosulphate (VI) acid. Use it to answer Questions (i) to (iii).

(i) Which letter on the diagram represents the battery?

(ii) Write an equation for the reaction occurring at the cathode

(iii) What product does V represent?

 

Explanation

3(a)(i) In making fertilizers

(ii) In petroleum refining

(b)(i) R

(ii) —> H(^+) + e(^-) H    H + H –> H(_2)

(iii) V is oxygen.

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