Q. Which of the following reaction involves oxidation and reduction?

A) $NaBr + HCl \longrightarrow NaCl + HBr\$
B) HBr +Ag${NO}_{3} \longrightarrow AgBr + {HNO}_{3}$
C) $H_{2} + {Br}_{2} \longrightarrow 2HBr$
D) ${Na}_{2}O + H_{2}{SO}_{4} \longrightarrow {Na}_{2}{SO}_{4} + H_{2}O$
Explanation

(c)
[image:8_image17.emf]
Only this reaction involves oxidation and reduction.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.