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Chemistry
Chemistry
Problem
A solution of
Na
2
SO
4
\text{Na}_2\text{SO}_4
Na
2
SO
4
in water is electrolysed using inert electrodes. The products at cathode and anode are respectively: a.
O
2
\text{O}_2
O
2
;
H
2
\text{H}_2
H
2
b.
O
2
\text{O}_2
O
2
; Na c.
H
2
\text{H}_2
H
2
;
O
2
\text{O}_2
O
2
d.
O
2
\text{O}_2
O
2
;
SO
2
\text{SO}_2
SO
2
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