Answer to Question #60307 in General Chemistry for Hafsa

Question

In order for the reaction 2Al(s) + 6HCl(aq)→2AlCl3(aq) + 3H2(g) to occur, which of the following must be true?
A. Al must be above Cl on the activity series.
B. Al must be above H on the activity series.
C. Heat must be supplied for the reaction.
D. AlCl3 must be a precipitate.

Answer 1

Solution: Aluminum must displace hydrogen in order for the reaction to occur, so aluminum must be above hydrogen on the activity series.
Answer: B (Al must be above H on the activity series)