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Question

Chemistry Question on GROUP 2 ELEMENTS

The correct order of the increasing ionic character is

A

BeCl2<MgCl2<BaCl2<CaCl2BeCl _{2}< MgCl _{2}< BaCl _{2}< CaCl _{2}

B

BeCl2<MgCl2<CaCl2<BaCl2BeCl _{2}< MgCl _{2}< CaCl _{2}< BaCl _{2}

C

BeCl2<BaCl2<MgCl2<CaCl2BeCl _{2}< BaCl _{2}< MgCl _{2}< CaCl _{2}

D

BaCl2<CaCl2<MgCl2<BeCl2BaCl _{2} < CaCl _{2} < MgCl _{2} < BeCl _{2}

Answer

BeCl2<MgCl2<CaCl2<BaCl2BeCl _{2}< MgCl _{2}< CaCl _{2}< BaCl _{2}

Explanation

Solution

In the alkaline earth metal group, down the group as the size increases the ability to lose electrons i.e. ionic character increases. The smaller metal require more ionisation potential for cation formation.