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Grade 10Physical Chemistry

A mixture of 0.3 moles of hydrogen and 0.3 moles of iodine are allowed to react in 10 litre evacuated flask at 500 degree Celsius. The reaction is H2 + l2 2HI .The value of k is found to be 64 .The amount of iodine present at equilibrium is?

Profile image of Hadiya
8 Years agoGrade 10
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1 Answer

Profile image of Arun
ApprovedApproved Tutor Answer8 Years ago
Dear student
 
At equilibrium
 
H2.      +        I2 -----> 2HI
(0.3-x).     (0.3-x).       2x
Now
 
Kc = (2x)²/(0.3-x)(0.3-x)
 
On solving
x = 0.24
 
Hence amount remained at equlibrium = 0.3 - 0.24 = 0.06 mol