Chemistry 9701 · AS & A Level · Electrochemistry

Electrochemistry — practice question

After the equation has been balanced correctly, what is the value of $c$? $a\text{C}_2\text{H}_4 + b\text{H}_2\text{O} + c\text{H}^+ + 2\text{MnO}_4^- \rightarrow d\text{C}_2\text{H}_6\text{O}_2 + e\text{Mn}^{2+}$

  • A3
  • B4
  • C5
  • D6

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI