12
QuizMultiple Choice
Cumulative Exam
Question 12 of 50 • LAUSD-Chemistry in the Earth System B
Consider the half reactions below for a chemical reaction.What is the overall equation for this chemical reaction?
Answer
A
Upper M g (s) plus 2 upper H superscript plus (a q) right arrow upper M g superscript 2 plus (a q) plus upper H subscript 2 (g).
B
Upper M g (s) plus 2 upper H superscript plus (a q) right arrow upper M g superscript 2 plus (a q) plus 2 e superscript minus.
C
Upper M g superscript 2 plus (a q) plus upper H subscript 2 (g) right arrow upper M g (s) plus 2 upper H superscript plus (a q).
D
Upper M g (s) plus 2 upper H right arrow upper M g (a q) plus upper H subscript 2 (g).