(a)[2]
Name the gas released at the negative electrode. Give a test and observation to identify this gas.
(b(i))[1]
Name the product formed at the positive electrode.
(b(ii))[1]
Construct the ionic equation for the reaction occurring at the positive electrode.
(c(i))[2]
The concentrated aqueous sodium chloride is substituted in the apparatus by dilute sulfuric acid. Name the gas given off at the positive electrode. Give a test and observation to identify this gas.
(c(ii))[1]
Construct the ionic equation for the reaction occurring at the positive electrode.