• # question_answer The formula of some fluorides are given below. Which of them will combine further with fluorine [NCERT 1977] A) $I{{F}_{5}}$ B) $NaF$ C) $Ca{{F}_{2}}$ D) $S{{F}_{5}}$

$I{{F}_{5}}+{{F}_{2}}\,\to \,I{{F}_{7}}$.