s-Block ElementsHard

Question

The correct sequence of increasing melting points of BeCl2, MgCl2, CaCl2, SrCl2 and BaCl2 is

Options

A.BeCl2 < SrCl2 < CaCl2 < MgCl2 < BaCl2
B.BeCl2 < MgCl2 < CaCl2 < SrCl2 < BaCl2
C.BeCl2 < CaCl2 < MgCl2 < SrCl2 < BaCl2
D.MgCl2 < BeCl2 < SrCl2 < CaCl2 < BaCl2

Solution

The ionic character and hence the m.pt. increases as the size of cation increases.

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