1) Which of the following does not exist? A) $KI+I_{2}\rightarrow KI_{3}$ B) $KF+F_{2}\rightarrow KF_{3}$ C) $KBr+ICl_{2}\rightarrow K[BrlCl]$ D) $KF+BrF_{3}\rightarrow K[BrF_{4}]$ Answer: Option BExplanation:In the absence of d- orbitals F2 does not combine with F- to form F3- . ion
