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CGP EDU Academic Team
Published on: August 14, 2026
For the decomposition of HI at 1000 K (2HI → H 2 + I 2 ), the following data were obtained [HI], M Rate of decomposition of HI (mol L –1 s –1 ) 0.1 2.75 × 10 –8, 0.2, 11 × 10 –8, 0.3, 24.75 × 10 –8 The order of reaction is :
Text Solution
Verified by ExpertsThe correct answer is:
B
Rate = k[HI] n
11 × 10 –8 = k[0.2] n ...(i)
2.75 × 10 –8 = k[0.1] n ...(ii)
Dividing eq. (i) by eq. (ii),
4 = 2 n , n = 2
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