Which is the weakest reducing agent ?

Which is the poorest reducing agent ?

Assertion: Lithium is the weakest reducing agent among alkali metals. Reason: In alkali metals IP increases down the group.

Assertion : Lithium is the weakest reducing agent among the alkali metals. Reason : In alkali metals, ionization energy decreases down the group .

Assertion: Lithium is the weakest reducing agent among alkali metals. Reason: In alkali metals IP increases down the group.

Which one is the best reducing agent ?

Which is the weakest oxidizing agent in a 1 M aqueous solution?