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Grade 12th passPhysical Chemistry

Explain why the lattice dissociation enthalphy of mgo is about 5 times greater than of nacl

Profile image of Harshit Singh
5 Years agoGrade 12th pass
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1 Answer

Profile image of Pawan Prajapati
5 Years ago
Answer:

If you double the charges on both positive and negative ions, the strength of the attractions will go up 4 times. The question says that the MgO lattice enthalpy is about 5 times greater than that of NaCl. The extra is due to the shorter distance between the ions in MgO.)

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Pawan Prajapati
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