Q. Which of the following is not correct?
A) [image:7_image1.emf]
$\mathrm{\Delta}H = - 284.5KJ$
B) Ozone undergoes addition reaction with unsaturated carbon compounds
C) Sodium thiosulphate reacts with I_{2} to form sodium tetrathionate and sodium iodide.
D) Ozone oxidises lead sulphide to lead sulphate
Explanation
(a)
The formation of ozone from oxygen is an endothermic reaction not exothermic reaction.
[image:7_image18.jpeg]
So, statement
[image:7_image19.jpeg]
Is not correct statement.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.