Organic Chemistry — Chemistry STD 10 — Question

Name the product formed at (i) cathode (ii) anode, when molten lead bromide is electrolysed.

Methane molecule is non-polar molecule. Explain.

One chemical test that would enable you to distinguish between the following pair of chemicals. Describe what happens with each chemical or state no visible reaction.
Sodium chloride solution and sodium nitrate solution.

In order to obtain 1 tonne of aluminium the following inputs are required. 4 tonnes of bauxite, 150 kg of sodium hydroxide and 600 kg of graphite. The aluminium compound in bauxite is aluminium oxide and the main impurity is iron (III) oxide, Aluminium is obtained by the electrolysis of aluminium oxide dissolved in cryolite
(i) Name the process used for the purification of bauxite
(ii) Write the equation for the action of heat on aluminium hydroxide

What is meant by the term electrolyte?

(a) Dilute nitric acid is generally considered a typical acid except for its reaction with metals. In what way is dilute nitric acid different from other acids when it reacts with metals?
(b) Write the equation for the reaction of dilute nitric acid with copper.

Ammonia is manufactured by Haber Process.
Under what conditions do the reactants combine to form ammonia? Give a balanced equation for the reaction.

Differentiate between a strong alkali and a weak alkali.