Chemistry
A metal ‘X’ has valency 2 and a non-metal ‘Y’ has a valency 3. If ‘Y ’ is a diatomic gas, write an equation for the direct combination of X and Y to from a compound.
Related Questions
From the list of the gases — Ammonia, ethane, hydrogen chloride, hydrogen sulphide, ethyne — Select the gas which is used as a reducing agent in reducing copper oxide to copper.
Give balanced chemical equations for —
(i) Lab. preparation of ammonia using an ammonium salt.
(ii) Reaction of ammonia with excess chlorine.
(iii) Reaction of ammonia with sulphuric acid.
Write balanced equations for :
(i) Action of warm water on AlN.
(ii) Excess of ammonia is treated with chlorine.
(iii) An equation to illustrate the reducing nature of ammonia.
State one relevant observation — Ammonia gas is burnt in an atmosphere of excess oxygen.