J. D. Lee Solutions for Chapter: Group 17 - the Halogens, Exercise 1: Exercise 1

Give the names of four different types of oxoacids of the halogens and give, the formula of either an acid or a salt derived from the acid for each type.

Describe the preparation of the following compounds and give one use of each: $\mathrm{NaOCl}, {\mathrm{NaClO}}_2, {\mathrm{NaClO}}_3, {\mathrm{HIO}}_4$.

Explain why Iodine is almost insoluble in water, but it dissolves readily in an aqueous solution of $\mathrm{KI}$?

Explain the shape of the ${\mathrm{I}}_3^{-}$ ion.

Explain why solid ${\mathrm{CsI}}_3$ is stable but solid ${\mathrm{NaI}}_3$ is not.

Give the formulae of $11$ interhalogen compounds.

Draw the shapes of the following molecules and ions, showing the positions of the lone pairs of electrons:

$\mathrm{ClF}, {\mathrm{BrF}}_3, {\mathrm{IF}}_5, {\mathrm{IF}}_7, {\mathrm{I}}_3^{-}, {\mathrm{ICl}}_4^{-}$ and ${\mathrm{I}}_5^{-}$

List the differences between the properties of fluorine and the other halogens and give reasons for these differences.