(a)[1]
Name the substance formed at the negative electrode (cathode) during the electrolysis.
(b)[1]
State the name of the particle taken from a chloride ion to form a chlorine atom.
(c)[2]
Complete the electron structure of a chlorine molecule.
(d)[2]
Describe a test for chlorine gas. test ............ result ............
(e)[2]
Fill in the missing parts of the chemical equation for this reaction. $\text{Cl}_2 + \ldots\text{NaOH} \rightarrow \text{NaOCl} + \ldots + \text{H}_2\text{O}$
(f(i))[1]
Calculate the mass of sodium hydroxide in 200 g of this solution.
(f(ii))[1]
Deduce the mass of the material left behind.