Problem: Arrange the following binary ionic compounds in order of decreasing melting point.a. MgS, NaBr, MgBr2b. MgS, MgBr2, NaBrc. NaBr, MgBr2, MgSd. MgBr2, NaBr, MgS,e. NaBr, MgS, MgBr2

FREE Expert Solution

We’re being asked to rank each ionic compound with increasing melting point.


Recall that the melting point of an ionic compound is related to its lattice energy. The lattice energy can be estimated using:

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Problem Details

Arrange the following binary ionic compounds in order of decreasing melting point.

a. MgS, NaBr, MgBr2

b. MgS, MgBr2, NaBr

c. NaBr, MgBr2, MgS

d. MgBr2, NaBr, MgS,

e. NaBr, MgS, MgBr2