Multiple choice

Which of the following alkali metal halides has the highest melting point?

  1. NaCl

  2. NaBr

  3. NaF

  4. NaI

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The melting points of the alkali metal halides decrease in the order: Fluoride > Chloride > Bromide > Iodide Thus, fluorides are the most stable, while iodides are the least stable.