Question

Write two differences between order and molecularity of a reaction. The rate of a gaseous reaction is halved when the volume of the vessel is doubled. What is the order of reaction?​

Answer 1

Answer:

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Explanation:

Answer 2

Answer:

Suppose the reaction is :

A→ Products, and oredr of reaction is n. ThenA→ Products, and oredr of reaction is n. Then

Rate =k[A]n or r = k an …(i)=k[A]n or r = k an …(i)

When volume of vessel is doubled, molar concentration is halved. As rate becomes, half, therefore,

r2=k(a2)n ...(ii)r2=k(a2)n ...(ii)

Dividing (i) by (ii), we get 2=2n or n=1

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