Periodic Properties And Variation Of Properties Physical And Chemical — Chemistry STD 10 — Question

Chloride ion.

Taking sodium chloride as an example of ionic compound and carbon tetrachloride as an example of molecular compound, give two differences between ionic compounds and molecular compounds.

An important industrial reaction is represented by the equation 2SO₂ + O₂ → 2SO₃. The formation of sulphur trioxide is exothermic. State the conditions of temperature and state the name of the catalyst required for the above reaction to take place.

A 5.0 I container is filled with nitrogen gas (N₂) at a temperature of 300 K and a pressure of 2.0 atm. The container is then heated to 450 K while keeping the volume constant.
(i) What will be the new pressure of the nitrogen gas inside the container?
(ii) Explain how Gay Lussac's Law applies to this scenario.

How can you prove that hydrochloric acid contain :
Hydrogen

What are the sources for alkynes? Give the general formula of alkynes.

Copy and complete the following table :

	Name of the products	Name of the catalyst	Approximate ternperature	Approximate pressure
Habers Process

Dilute nitric acid is generally considered to be 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?

Give the structural formulae for the following:
(i) An isomer of n-butane. (ii) 2-propanol.