Construct a Born-Haber cycle for the formation of the hypothetical compound NaCl2 where the sodium ion...

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Chemistry

Construct a Born-Haber cycle for the formation of thehypothetical compound NaCl2 where the sodium ion has a 2+ charge(the 1st and 2nd ionization energies for sodium are 496 KJ/mol and4562 KJ/mol respectively).

(a) How large would the lattice energy need to be for theformation of NaCl2 to be exothermic

(b) If we were to estimate the lattice energy of NaCl2 to beroughly equal to that of MgCl2 (2326 KJ/mol), what value would youobtain for the standard enthalpy of formation(delta)H*f(formation), of NaCl2?

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