Question
Chemistry Question on GROUP 1 ELEMENTS
Which one of the following group 2 element is the strongest reducing agent ?
A
Mg
B
Ca
C
Ba
D
Sr
Answer
Ba
Explanation
Solution
Among the elements of alkaline earth metals, barium is the strongest reducing agent. On moving down the group, the atomic size increases. The electropositive character increases and the ionization enthalpy value decreases. Hence, reducing power also increases from Be to Ba.