Question

Metal M3 reacted with a salt of metal M4 . The products were M4 and a salt of M3 . However , metal M4 had no reaction with a salt of M3 . What can you say about the reactivities of M3 and M4.​

Answer 1

Answer:

from the above observation we conclude that the Metal M3 is more reactive compared to metal M4

Answer 2

Answer:

however metal 4 had no reaction with a salt of metal 3. what can you say about the reactivity of m3 and m4. Ask for details ...