Which pair is not correct order of lattice energy?
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The unpaired order. this is the ans.
saurabhlokhande02:
Mark this as a brainliest coz I want
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1️⃣Lattice energy depends upon charge as well as size of ions.
2️⃣Greater the charge on cation and anion. greater is its lattice energy.
✔️Example:-
In case of Al2O3, CaO, MgBr2 and NaCl,
✔️Decreasing order of charge on cations is :
Al3+>Ca2+=Mg2+>Na+
✔️Decreasing order of charge on anion :
O2->Cl-=Br-
✔️Therefore, the decreasing order of Lattice energy comes out to be
Al2O3>CaO>MgBr2>NaCl
2️⃣Greater the charge on cation and anion. greater is its lattice energy.
✔️Example:-
In case of Al2O3, CaO, MgBr2 and NaCl,
✔️Decreasing order of charge on cations is :
Al3+>Ca2+=Mg2+>Na+
✔️Decreasing order of charge on anion :
O2->Cl-=Br-
✔️Therefore, the decreasing order of Lattice energy comes out to be
Al2O3>CaO>MgBr2>NaCl
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