Iodic acid (HIO3)-Powder introduce:
Iodic acid, HIO3. It is a white water-soluble solid. Its robustness contrasts with the instability of chloric acid and bromic acid. Iodic acid features iodine in the oxidation state +5 and is one of the most stable oxo-acids of the halogens.
Molar mass:175.91 g/mol
Density:4.62 g/cm3, solid
Melting point:110 °C (230 °F; 383 K)
Solubility in water:269 g/100 mL (20 °C)
Conjugate base Iodate
Magnetic susceptibility (χ):−48.0·10−6 cm3/mol
Iodic acid is used in analytical chemistry laboratories to standardize solutions of both weak and strong bases using methyl red or methyl orange as the indicator. It acts as a key starting material to synthesize sodium or potassium iodate, thereby increasing the iodine content of salt.
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