which of following is most electropositive element

1)ceasium

2)fransium

both ceasium and fraunsium are most electropositive elements but fraunsium is rare earth metal.''

so we consider ceasium is most electropositive element

please approve

2 ) Fr 

Down the grp. electropositivity increases hence ansr. should be

2) fransium.

Approve!

As we move down the group electropositive character increases.

Hence Fransium is more electropositive

Please approve my answer answer if you are satisfied by it.

And best of luck for  your preparation!!!!!!!!!!!!!!!!!!!!!