Which of the following statements are correct about the kinetics of this reaction?

(i) The rate of reaction depends on the concentration of only (b).

(ii) The rate of reaction depends on the concentration of both (a) and (b).

(iii) Molecularity of reaction is one.

(iv) Molecularity of reaction is two.

<p><span data-teams="true">This is a multiple choice answer as classified in NCERT Exemplar</span></p><p>The reaction is of the type <strong>S_N¹</strong> nucleophilic substitution. This sort of reaction is governed by second order kinetics, in which the rate of reaction is determined only by the concentration of the reactant. A reaction's molecularity is defined as the number of molecules involved in the rate-determining phase. Because of second order kinetics, the moleculeity of this reaction is one. (i) and (iii) are the right answers .</p><p><strong>Correct Answer:</strong> Option (A) and (C)&nbsp;</p>

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