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Question

For the given three step endothermic reaction, which of the following statement(s) is/are correct?
A2(g)+B2(g)Step14C(g)Step23D(g)Step32E(g)

  1. Step 2 is favoured by low temperature and high pressure
  2. Step 1 is favoured by high temperature and low pressure
  3. Step 2 is favoured by high pressure and high temperature
  4. Step 3 is favoured by high pressure and high temperature

A
Step 3 is favoured by high pressure and high temperature
B
Step 2 is favoured by low temperature and high pressure
C
Step 2 is favoured by high pressure and high temperature
D
Step 1 is favoured by high temperature and low pressure
Solution
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According to Le Chatelier's principle, endothermic reactions are favoured at high temperature, while exothermic reactions are more favoured at lower temperatures.

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