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AP EAMCET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

Which halogen can be oxidised by concentrated nitric acid?

  1. A Fluorine
  2. B Chlorine
  3. C Bromine
  4. D lodine
Verified Solution

Answer & Solution

Correct Answer

(D) lodine

Step-by-step Solution

Detailed explanation

Reducing properties increase from fluorine to iodine, so it is oxidised by nitric acid. \[ \mathrm{I}_2+10 \mathrm{HNO}_3 \longrightarrow 2 \mathrm{HIO}_3+10 \mathrm{NO}_2+4 \mathrm{H}_2 \mathrm{O} \] Nitric acid oxidises iodine to iodic acid, \(\mathrm{HIO}_3\) and not periodic…