" Total number of moles gaseous products at anode and cathode on Kolbe's electrolysis of one mole of potassium maleate "

Gas liberated at cathode during Kolbe's electrolysis is

The compounds formed at anode in the electrolysis of an aqueous solution of potassium acetate are

The products obtained at cathode and anode on electrolysis of aqueous sodium succinate are

Which product is obtained at the anode by the electrolysis of sodium butyrate -

The total volume of dry gaseous products at STP, when 3 moles of electrons are transferred from anode to cathode in the electrolysis of water is : ( Volume of gas a STP =22.4L )