Question

Q.Which of the following is the correct arrangement of metals in the increasing order of their reactivity? 1. Fe < Mg < Ca < K 2. Mg < Al < Na < Ca 3. Cu < Pb < Zn < Fe 4. Pb < H < Fe < Al plz answer fast.

Answer 1

Answer:

Order of reactivity of metal :

Na > Ca > Mg > Al > Zn > Fe > Sn > Pb > Cu > Ag.

Answer 2

Mg < Ca < K 2. Mg < Al < Na < Ca 3. Cu < Pb < Zn < Fe 4. Pb < H < Fe < Al