Which of the following is an ionic compound?

Which of the following is an ionic compound?
  1. $\mathrm{SO}_{2}$
  2. ICl
  3. $\mathrm{CHCl}_{3}$
  4. KI

Solution

Potassium iodide is a metal-halide salt featuring an ionic bond between the potassium cation (K+) and the iodide anion (I-)

Asked in: MHT CET 2020 (19 Oct Shift 1)

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