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11 . The activation energy for the reaction 2HI(g)----> H2(g) + I2(g) is 209.5 kJ mol -1 at 581 K. The fraction of molecules of reactants having energy equal to or greater than activation energy would be , (A) 1.462 x 10-19 (B) 1.462 x 1028 (C) 1.462 x 1024 (D) 1.462 x 1034 I hv no idea to this aieee problem from kinetics........kindly help me...

11 . The activation energy for the reaction 2HI(g)----> H2(g) + I2(g) is 209.5 kJ mol -1 at 581 K. The fraction of molecules of reactants having energy equal to or greater than activation energy would be
,

(A) 1.462 x 10-19

(B) 1.462 x 1028

(C) 1.462 x 1024

(D) 1.462 x 1034



I hv no idea to this aieee problem from kinetics........kindly help me...

Grade:12

1 Answers

Sudheesh Singanamalla
114 Points
11 years ago

Dear Geoffrey,

Check the picture for the solution.

And Best Of Luck for AIEEE, Don't be too stressed, cool down and revise what all u know well in the last 10-15 days.

 

Please approve !812_16302_chemical kinetics.jpg

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