Arrange the following metals in the correct order of reactivity.
K, Al, Fe, Au, Pb
1
K > Al > Pb > Fe > Au
2
K > Al > Fe > Pb > Au
3
K > Al > Fe > Au > Pb
4
K > Fe > Al > Pb > Au
Arrange the following metals in the correct order of reactivity.
K, Al, Fe, Au, Pb