Chemistry
Give equations for the following :
(i) Preparation of acetylene
(ii) Preparation of ethyl alcohol
(iii) Addition of chlorine to ethylene
(iv) Preparation of ethane
(v) Sulphurous acid reacts with bromine.
Related Questions
Define ionisation potential ? State whether it increases on going down a group.
(i) Which concentrated acid will oxidize sulphur directly to sulphuric acid ? Write the equation for the same.
(ii) Complete the following : concentrated sulphuric acid is used in the laboratory preparation of nitric acid and hydrochloric acid because it is — (less volatile/stronger) in comparison to these two acids.
(iii) Write the observation and the balanced equation, when a paper dipped in acidified potassium dichromate solution is put on the mouth of a test tube containing sulphur dioxide gas.
Complete and balance the following:
(i) Potassium nitrate + sulphuric acid ⟶
(ii) Ferrous chloride + Ammonium hydroxide ⟶
(iii) Red lead + conc. HCl ⟶
(iv) Sodium thiosulphate + dilute Hydrochloric acid ⟶
(v) Copper with dil nitric acid ⟶
1 gram mixture of NaCl and NaNO3 is dissolved in water and treated with an excess of AgNO3 solution. 1.43 g of precipitate is formed. Calculate percentage of sodium chloride in the mixture. [5]
[Ag = 108, Na = 23, N = 14, O = 16, Cl = 35.5].