When concentrated sulfuric acid is added to solid NaK, white fumes appear and damp blue litmus paper turns red. No other colour change is seen. Identify K. Give the equation for the reaction. Explain the observation.
When silver nitrate solution is added to an aqueous solution of NaL, a precipitate is formed that stays after concentrated ammonia solution is added. Identify L. State the colour of the precipitate. Give the equation for the reaction.
M is a liquid at room temperature with a boiling point above that of chlorine but below that of iodine. Identify M. Explain your answer.
Identify the products B, C and D shown in the diagram of the diaphragm cell.
Give the equations for the two electrode reactions at the anode and the cathode.