At a certain temperature the following data were collected for the reaction 2ICI + H2 → I2. + 2HCl Initial Concentration(M) Initial Rate of formation of I2 (Ms–1) [ICl] [H2] 0.10 0.10 0.0015 0.20 0.10 0.0030 0.10 0.05 0.00075 Determine overall order of reaction

Engineering

Chemistry

Methods of Determination of Order of Reaction

Question

At a certain temperature the following data were collected for the reaction

2ICI + H₂ → I_2.+ 2HCl

Initial	Concentration(M)	Initial Rate of formation of I₂ (Ms^–1)
[ICl]	[H₂]
0.10	0.10	0.0015
0.20	0.10	0.0030
0.10	0.05	0.00075

Determine overall order of reaction

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From 1^st and 2^nd data order of reaction w.r.t. ICl is 1, from 1^st and 3^rd data order of reaction w.r.t. H₂ is 1, so overall order of reaction is 2.