, ions react with at the anode to form and water, releasing 4 electrons to the anode.

, At the cathode, breaks to and nascent hydrogen released at the electrode reacts with oxygen to form water.

and At the cathode, molecular oxygen gets converted to .

. ONE OR MORE THAN ONE of these four option(s) is(are) correct answer(s). • For each question, choose the option(s) corresponding to (all) the correct answer(s). • Answer to each question will be evaluated according to the following marking scheme: An aqueous solution of hydrazine is electrochemically oxidized by , thereby releasing chemical energy in the form of electrical energy. One of the products generated from the electrochemical reaction is . Choose the correct statement(s) about the above process Oxides of nitrogen are major by-products of the electrochemical process.