Q. Which of the following statements (or equation) is correct?

A) The units of cell emf are V. ${cm}^{- 1}$
B) $\mathrm{\Delta}G = \ - \ \frac{nF}{E_{cell}}$
C) In galvanic cell, chemical energy is transformed into electrical energy.
D) Oxidation state of Mn in potassium permanganate is +6
Explanation

(c)
In Galvanic cell the electrical energy is produced from chemical reaction. $i.e.$, chemical energy is transformed into electrical energy.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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