Redox Reaction Subtopic Half Reaction Method 01 Ques8

Question: How many electrons are transferred in the reaction $2MnO_4^- + 5C_2O_4^{2-} + 16H^+ \rightarrow 2Mn^{2+} + 10CO_2 + 8H_2O $ ?

Options:

A) 5 electrons

B) 10 electrons

C) 2 electrons

D) 8 electrons

Show Answer

Answer: b

Explanation:

A) This is not the correct number of electrons transferred.

B) Correct. Each $ MnO_4^- $ gains 5 electrons, so $ 2MnO_4^- $ gains 10 electrons total.

C) This is not the correct number of electrons transferred.

D) This is not the correct number of electrons transferred.