Chemistry
In electrolysis of molten lead bromide
(a) State the reaction taking place at the cathode.
(b) Which electrode: anode or cathode is the oxidising electrode ? Why?
Related Questions
An element Z has atomic number 16. Answer the following questions:
(a) State the period and group to which Z belongs.
(b) What kind of a compound is formed between Z and hydrogen ?
M is a metal above hydrogen in the activity series and its oxide has the formula M2O. This oxide when dissolved in water forms the corresponding hydroxide which is a good conductor of electricity. In the above context answer the following:
(a) What kind of combination (bond) exists between M and O?
(b) How many electrons are there in the outermost shell of M?
Name the kind of particles present in:
(a) Carbonic acid
(b) Sulphuric acid
(c) Carbon tetrachloride
Name the following:
(a) A compound added to lower the fusion temperature of electrolytic bath in the extraction of aluminium.
(b) The ore of zinc containing its sulphide.