Although for Mg, Delta_iH(378 kJ mol^(-1)) is greater than Delta_iH_2 (1450 kJ mol^(-1)), Mg prefers to form MgCl_2 rather than MgCl because

Although for Mg, Delta_iH(378 kJ mol^(-1)) is greater than Delta_iH_2

1.	Although for Mg, Delta_iH(378 kJ mol^(-1)) is greater than Delta_iH_2 (1450 kJ mol^(-1)), Mg prefers to form MgCl_2 rather than MgCl because
Answer» <html><body><p>`<a href="https://interviewquestions.tuteehub.com/tag/mg-1095425" style="font-weight:bold;" target="_blank" title="Click to know more about MG">MG</a>^(2+)` ion has the noble gas configuration<br/>`Mg^(2+)` ion is smaller than `Mg^(+)`<br/> `Mg^(2+)` ion has <a href="https://interviewquestions.tuteehub.com/tag/higher-1022060" style="font-weight:bold;" target="_blank" title="Click to know more about HIGHER">HIGHER</a> <a href="https://interviewquestions.tuteehub.com/tag/charge-914384" style="font-weight:bold;" target="_blank" title="Click to know more about CHARGE">CHARGE</a> than `Mg^(+)` ion<br/>the lattice enthalpy of `MgCl_2` is very high</p>Solution :Lattice enthalpy of `MgCl_2(2527 kJ mol^(-1))` is more than <a href="https://interviewquestions.tuteehub.com/tag/enough-446095" style="font-weight:bold;" target="_blank" title="Click to know more about ENOUGH">ENOUGH</a> to <a href="https://interviewquestions.tuteehub.com/tag/compensate-925490" style="font-weight:bold;" target="_blank" title="Click to know more about COMPENSATE">COMPENSATE</a> for the energy needed to remove the first two electrons from an `Mg` atom (`738 kJ mol^(-1)+1450 kJ mol^(-1)=2188 kJ mol^(-1)`).</body></html>