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33. (i) Write the conditions of …

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33. (i) Write the conditions of temperature, pressure and temperature to produce maximum amount of ammonia by Haber’s process. (ii) The value of Kc for the reaction 2HI (g) → H2 (g) + I2 (g) is 1 × 10–4 At a given time, the composition of reaction mixture is [HI] = 2 × 10–5 mol, [H2] = 1 × 10–5 mol and [I2] = 1 × 10–5 mol In which direction will the reaction proceed?

Posted by Akshat Anand 3 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Gaurav Seth 3 years, 10 months ago

i.

ANSWER

The manufacture of ammonia by Haber's process is an exothermic reaction. According to Le Chatelier's principle maximum yield of an exothermic reaction can be obtained at low temperatures. There are 4 molecules on reactant side and 2 on product side. According to Le Chatelier's principle if you increase the pressure the system will respond by favouring the reaction which produces fewer molecules. So the maximum yield of ammonia will be obtained at high pressure and low temperature

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