Appeared in: 2023 (3 sets)
OR (b) (i) Identify the following : (1) Transition metal of 3d series that exhibits only one oxidation state. (2) Transition metal of 3d series that acts as a strong reducing agent in +2 oxidation state in aqueous solution. (ii) Complete and balance the following equations : (1) $\text{Cr}_2\text{O}_7^{2-} + 14\text{H}^+ + 6\text{Fe}^{2+} \longrightarrow$ (2) $\text{KMnO}_4 \xrightarrow{\text{heat}} $ (iii) What is Misch metal ? Write its one use.