Chemistry - Chemical Equilibrium Question with Solution | TestHub
Nickel is purified by the Mond's process, which proceeds according to the equilibrium:
Given and at 25 ℃
Two chemists, A and B, analyze the equilibrium:
Chemist A argues that the above reaction will be spontaneous in the forward direction because the product is more stable than the reactants. Furthermore, if the temperature is raised, the reaction will take place in the reverse direction because it is an endothermic reaction.
Chemist B argues that the reaction is spontaneous in the reverse direction because entropy is higher for the reactants than for the products. Furthermore, if the temperature is raised, the spontaneity of the reverse reaction will increase.
What are the most efficient conditions for purifying nickel when using the Mond's process?
Options:
Answer:
Solution:
Number of gaseous moles of reactants are more than product so high pressure favours the forward reaction. Since the reaction is exothermic low temperatures favours the reaction in forward direction.