Q. Which conversion is an oxidation?
A) ${SO}_{4}^{2 -}\ \longrightarrow {SO}_{3}^{2 -}$
B) ${Cu}^{2 +}\ \longrightarrow Cu$
C) $H^{+}\ \longrightarrow H$
D) $H^{-} \longrightarrow H$
Explanation
(d)
Loss of an electron or increase in oxidation number is oxidation process.
$i.e.,\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ H^{-} \longrightarrow H + e^{-}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.