For a reaction X + Y ----> Z , rate directly proportional to [X].

What is (i) molecularity and (ii) order of reaction ?

OPTIONS

a. (i) 2 , (ii) 1 b. (i) 2 , (ii) 2

c. (i) 1 , (ii) 1. d. (i) 1 , (ii) 2

[Dear mentor please give the detailed solution]

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Solution

given that rate is directly proportional to [X]. only so order is one because only x no y

here x and y take part in reaction so molecularity 2

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X + Y \to Z, r a t e \propto [X]

X S t e p I - -- \to Y S t e p I I - --- \to Z

List-I	List-II
(A) Rate constant has the same unit as the rate of reaction.	(i) One
(B) Reactions having apparent molecularity more than three reaction	(ii) Zero order
(C) Reactions having molecularity two but order of reaction is one.	(iii) Complex reaction
(D) For a reaction, $A \to B$ , the rate of reaction doubles as the ocular reaction concentration of A is doubled.	(iv) Pseudo unimolecular reaction

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