1.

On electrolysing a solution of dilute \[{{H}_{2}}S{{O}_{4}}\] between platinum electrodes, the gas evolved at the anode is                                                 [NCERT 1977, 79; MNR 1980; CBSE PMT 1992]

A.                 \[S{{O}_{2}}\]   
B.                 \[I{{F}_{5}}\]
C.                 \[{{O}_{2}}\]     
D.                 \[{{H}_{2}}\]
Answer» D.                 \[{{H}_{2}}\]


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