Compounds can be produced from any two of the four halogens, F, Cl, Br, and I. T

Question

Compounds can be produced from any two of the four halogens, F, Cl, Br, and I. These species are called interhalogens, (and many have formulas X1Y1, X1Y3, X1Y5, and X1Y7) where X and Y are halogens. Atom X is always located in the center of the molecule, and atom Y is joined only to X on the “outside” of the molecule. From information available elsewhere and in this experiment, determine which of the four halogens F, Cl, Br and I would best fit atom X and atom Y in X1Y7.

Best X: __________ Best Y: __________

Explanation / Answer

Interhalogen compounds contains different halogen atoms in the formula of compound.

In the compound X1Y7 , the best X is Iodine and the best Y is Fluorine.

So the formula of the compound becomes IF7.

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