Advertisements
Advertisements
Question
Industrially, ammonia is obtained by direct combination of nitrogen and hydrogen.
(i) Write balanced equation for the direct combination of nitrogen and hydrogen.
(ii) Which of the metals - iron, platinum, copper - catalyse this direct combination?
(iii) Is the formation of ammonia promoted by high pressure or low pressure?
Solution
(i) The reactants nitrogen and hydrogen combine to form ammonia at low temperature, high pressure in presence of catalyst to for maximum yield of ammonia . The balanced equation for the reaction is:
\[\ce{N2 + 3H2 <=> 2NH3 +heat}\]
(ii ) Iron acts as catalyst.
(iii ) Since the forward reaction occurs with decrease in volume, according to Le Chatelier's principle, high pressure favours the formation of ammonia.
Key: Haber's process
APPEARS IN
RELATED QUESTIONS
Write balanced chemical equations for the following:
An equation to illustrate the reducing nature of ammonia.
State the conditions required for the given reaction to take place:
Catalytic oxidation of ammonia to nitric oxide
Name the gas obtained when ammonia burns in an atmosphere of oxygen without any catalyst.
Why is ammonium hydroxide used in qualitative analysis? Give two equations to justify your answer.
Give balanced chemical equations for the following:
Reaction of ammonia with sulphuric acid.
Give balanced reactions for the following conversion:
Ammonia to nitrogen using oxygen.
Give balanced reactions for the following conversion:
Ammonia to ammonium carbonate.
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
CuSO4
Ranjana wants to prove that ammonia is a reducing agent. To demonstrate this, she passes ammonia gas over heated copper oxide. What will she observe?
