Wed April 16, 2014 By: Rajesh Khajuria

if we take an equation we write 340 atm or300 atm on the arrow between reactants and products.[ please refer to ncert eg. 1.11]why do we write so? and what does this mean?

Expert Reply
Thu April 17, 2014
It is the favourable condition that is mentioned on the arrow between the reactants and products. Over here pressure of about 340 atm. or 300 atm. is   required to carry out required reaction.
Consider the following reaction given below.
Favourbale conditions:
Temperature : Optimum temp. is 450-5000C
Pressure : Above 200 atm.
Catalyst : Finely divided iron
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