Chemistry
Copper sulphate solution is electrolysed using copper electrodes.
(a) Which electrode [cathode or anode] is the oxidizing electrode? Why?
(b) Write the equation for the reaction occurring at the above electrode.
Related Questions
Name the following:
(a) The ore of Zinc containing its sulphide.
(b) The most commonly used oxide ore of Aluminium.
State one observation in the following cases:
(a) Sodium chloride solution is added to a solution of lead nitrate.
(b) Barium chloride solution is added to a solution of Zinc sulphate.
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information complete the following:
(a) …………… is the metallic element.
(b) Metal atoms tend to have a maximum of …………… electrons in the outermost shell.
(c) …………… is the reducing agent.
The empirical formula of an organic compound is C3H4N. Its molecular weight is 108. Find the amount of carbon in one mole of the compound. Show all the steps involved.
(Atomic weights: C- 12; H- 1; N- 14)