Acidulated water is electrolysed by 1A current for 16 minutes and 5 seconds using inert electrodes. The volume of gases liberated at STP will be :
168 ml
Cathode:2H2O+2e−→H2(g)+2OH−(aq)Anode:H2O→2H+(aq)+12O2(g)+2e−
Volumes of H2=22400×1×9652×96500=112ml;Volume of O2=56ml;Total volume=112+56ml