In any unimolecular reaction ______________.
(i) only one reacting species is involved in the rate determining step.
(ii) the order and the molecularity of slowest step are equal to one.
(iii) the molecularity of the reaction is one and order is zero.
(iv) both molecularity and order of the reaction are one.
NCERT Class XII
Chemistry - Exemplar Problems
Chapter 4. Chemical Kinetics