4
QuizMultiple Choice
Balancing Oxidation-Reduction Equations
Question 4 of 10 • S1S: Chemistry B (E4912 - AG)
Which equation describes a reduction?
Answer
A
Upper M g (s) right arrow Uper M g superscript 2 plus (a q) plus 2 e superscript minus.
B
2 upper C l plus 2 e superscript minus right arrow 2 upper C l superscript minus.
C
Upper N a (s) right arrow upper N a superscript plus (a q) plus e superscript minus.
D
Upper A l (s) right arrow upper A l superscript 3 plus (a q) plus 3 e superscript minus.