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Choose the correct order for given property
$(M.P. \to  Melting Point ;    S \to Solubility)$

• A
  $\begin{gathered}
    M.P.{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,Ca{F_2} > Mg{F_2} > {\mkern 1mu} {\mkern 1mu} Be{F_2}; \hfill \\
    S\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Mg{F_2}\, < \,Ca{F_2}\, < \,Be{F_2} \hfill \\ 
  \end{gathered}$
• B
  $\begin{gathered}
    M.P.{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,CaO > BeO > {\mkern 1mu} {\mkern 1mu} MgO; \hfill \\
    S\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,BeO\, < \,MgO\, < \,CaO \hfill \\ 
  \end{gathered}$
• C
  $\begin{gathered}
    M.P.{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,AgCl < KCl < {\mkern 1mu} NaCl; \hfill \\
    S\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,AgCl\, < \,NaCl\, > \,KCl \hfill \\ 
  \end{gathered}$
• ✓
  $\begin{gathered}
    M.P.{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,AgCl > KCl > {\mkern 1mu} NaCl; \hfill \\
    S\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,KI\, > \,LiI\, > \,NaI \hfill \\ 
  \end{gathered}$