A dilute aqueous solution of Na2SO4 is electrolysed using platinum electrodes. The products at the anode and cathode are respectively

Question

A dilute aqueous solution of Na2SO4 is electrolysed using platinum electrodes. The products at the anode and cathode are respectively (A)  O2, H2  (B)  S2O82- , Na  (C)  O2 , Na  (D)  S2O82- , H2

Tardigrade Admin · Accepted Answer

Electrolysis of aqueous Na2SO4 gives H2 (g) at cathode and O2(g) at anode.

Q. A dilute aqueous solution of $N a_{2} S O_{4}$ is electrolysed using platinum electrodes. The products at the anode and cathode are respectively

$O_{2}, H_{2}$

$S_{2} O_{8}^{2 -}, N a$

$O_{2}, N a$

$S_{2} O_{8}^{2 -}, H_{2}$

Electrolysis of aqueous $N a_{2} S O_{4}$ gives $H_{2} (g)$ at cathode and $O_{2} (g)$ at anode.

Q. A dilute aqueous solution of Na2​SO4​ is electrolysed using platinum electrodes. The products at the anode and cathode are respectively

O2​,H2​

S2​O82−​,Na

O2​,Na

S2​O82−​,H2​