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1997 WAEC Chemistry Theory  (a) List two industrial uses of concentrated tetraoxosulphate (VI) acid (b) The diagram below represents...

Chemistry
WAEC 1997

 (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?

 

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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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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free