Match the following:
List-$I$ (Aquated Ion) List-$II$ (Colour) $A. Ni^{2+}$ $I. \text{Violet}$ $B. Fe^{3+}$ $II. \text{Blue}$ $C. Mn^{3+}$ $III. \text{Yellow}$ $D. V^{4+}$ $IV. \text{Red}$ $V. \text{Green}$
| List-$I$ (Aquated Ion) | List-$II$ (Colour) |
|---|---|
| $A. Ni^{2+}$ | $I. \text{Violet}$ |
| $B. Fe^{3+}$ | $II. \text{Blue}$ |
| $C. Mn^{3+}$ | $III. \text{Yellow}$ |
| $D. V^{4+}$ | $IV. \text{Red}$ |
| $V. \text{Green}$ |
- A$A-V, B-III, C-IV, D-II$
- B$A-IV, B-V, C-I, D-III$
- C$A-I, B-III, C-IV, D-V$
- D$A-V, B-III, C-I, D-II$
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$1.$ The copper layer on copper coins in the $UK$ is .......... .
$2.$ Copper-silver coins in the $UK$ are an alloy of ............ .
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$1.$ The copper layer on copper coins in the $UK$ is .......... .
$2.$ Copper-silver coins in the $UK$ are an alloy of ............ .
$3.$ The catalyst used for the oxidation of $SO_2$ to $SO_3$ is ......... .
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DifficultJEE MAIN 2019
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