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2 NO(g)+Cl2(g) = 2NOCl(s) This reactio...

`2 NO(g)+Cl_2(g) = 2NOCl(s)`
This reaction was studied at `-10^@C` and the following data was obtained
`{:(run,[NO]_0,[Cl_2]_0,r_0),(1,0.10,0.10,0.18),(2,0.10,0.20,0.35),(3,0.20,0.20,1.40):}`
`[NO]_0 and [Cl_2]_0` are the initial concentrations and `r_0` is the initial reaction rate The overall order of the reaction is ___________ . (Round off to the Nearest Integer).

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Properties of ionic solid
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