Chemistry (M.Phil./Ph.D.) 2017 Panjab University Entrance Exam With Answers

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6.

Melting point of NaCl, NaBr, NaI and NaF will be in order:

A: NaCl < NaI < NaF < NaBr
B: NaBr < NaF < NaCl < NaI
C: NaI < NaBr < NaCl < NaF
D: NaF < NaCl < NaBr < NaI

The answer is: C