Iodic acid

Iodic acid, HIO3, can be obtained as a white solid. It is an isolable compound, unlike chloric acid or bromic acid.

Preparation
Iodic acid can be produced by oxidizing I2 with chlorine in an aqueous solution

Properties
Iodic acid is a relatively strong acid with a pKa of 0.75. It is strongly oxidizing in acidic solution, less so in basic solution.

Uses
Iodic acid is used as a standard strong acid in analytical chemistry. It may be used to standardize solutions of both weak and strong bases, with methyl red or methyl orange as the indicator.