An element A of group 1 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

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Question

An element A of group 1 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

Prashant Kotian · Accepted Answer

Correct answer: A) MG. Lithium belongs to group-1, which has maximum hydration enthalpy among the group-1 elements. Lithium shows diagonal relationship with Mg.

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