Question
Chemistry Question on Enthalpy change
An element A of group1 shows similarity to an element B belonging to group 2. If A has maximum hydration enthalpy in group 1 then B is:
A
Mg
B
Be
C
Ca
D
Sr
Answer
Mg
Explanation
Solution
The correct answer is (A): Mg
Lithium belongs to group-1, which has maximum hydration enthalpy among the group-1 elements.
Lithium shows diagonal relationship with Mg.