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:

Metal M3 reacted with a salt of M4. The products were M4 and salt of M3. However, metal M4 had no reaction with the salt of M3. ... Thus, M4 is less reactive than M3.