List of top Chemistry Questions on Chemical Kinetics asked in KEAM

Which of the following statement is incorrect?

Which are complex reaction
(i) Oxidation of ethane
(ii) Thermal decomposition of HI on gold surface
(iii) Saponification of methyl acetate
(iv) Nitration of phenol
(v) Decomposition of \( \text{NH}_3 \) on hot Pt surface