List of top Chemistry Questions on Oxidation-Reduction asked in AP EAMCET

Zinc oxide (white) is heated to high temperature for some time. Observe the following statement regarding above process:
I. Zinc oxide colour changes to pale yellow
II. The type of defect formed is ‘metal deficiency’
III. Some \( Zn^{2+} \) and \( e^- \) are present in interstitial places

The correct order of oxidizing power of the given ions is Given: \( E^{\circ}_{\text{Mg}^{2+}/\text{Mg}} = -2.36 \, \text{V} \) and \( E^{\circ}_{\text{Cl}_2/\text{Cl}^-} = +1.36 \, \text{V}\)

What are the oxidation states of three Br atoms in \(Br_3O_8\) molecule