(B) Iodide ions $(I^-)$ can be oxidized to iodine $(I_2)$ by strong oxidizing agents like nitric acid $(HNO_3)$.The reaction is: $6I^- + 8HNO_3 \to 3I

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(B) Iodide ions $(I^-)$ can be oxidized to iodine $(I_2)$ by strong oxidizing agents like nitric acid $(HNO_3)$.The reaction is: $6I^- + 8HNO_3 \to 3I_2 + 8NO + 4H_2O + 4H^+$.Furthermore,iodine $(I_2)$ can be further oxidized to iodic acid $(HIO_3)$ by concentrated $HNO_3$:$I_2 + 10HNO_3 \to 2HIO_3 + 10NO_2 + 4H_2O$.