10th Class Federal Board Exams Quizzes MCQs Quizzes Federal Board Class 10th Chemistry Chapter No 1

Question:
Which one of the followings will convert Fe³⁺  to Fe²⁺:

Option A):
KMnO₄
Option B):
K₂Cr₂O₇
Option C):
H₂O₂
Option D):
[ H ]

Correct Answer is Option D):
[ H ]