Amongst sodium halides (NaF, NaCl, NaBr, NaI) | vedclass

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(C) The melting point of ionic compounds is directly related to their lattice energy. Lattice energy is inversely proportional to the interionic dista

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Maximum lattice energy

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(C) The melting point of ionic compounds is directly related to their lattice energy. Lattice energy is inversely proportional to the interionic distance between the ions. Since the size of the halide ion increases in the order $F^{-} Consequently,$NaF$ possesses the maximum lattice energy among the given sodium halides,leading to the highest melting point.

Amongst sodium halides $(NaF, NaCl, NaBr, NaI)$,$NaF$ has the highest melting point because of:

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