Lanthanoid contraction is responsible for which of the following?
- A$Zr$ and $Y$ having similar radii.
- B$Zr$ and $Nb$ having similar oxidation states.
- C$Zr$ and $Hf$ having similar radii.
- D$Zr$ and $Zn$ having similar oxidation states.
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In the first transition series,the metallic bond strength increases from ..... to .....
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View SolutionDiscuss the magnetic properties of transition elements.
Match the following metal ions with their respective colours:
Metal ion Colour $A. V^{4+}$ $I. Colourless$ $B. Ti^{3+}$ $II. Purple$ $C. Ti^{4+}$ $III. Green$ $D. Ni^{2+}$ $IV. Blue$ $V. Yellow$
| Metal ion | Colour |
|---|---|
| $A. V^{4+}$ | $I. Colourless$ |
| $B. Ti^{3+}$ | $II. Purple$ |
| $C. Ti^{4+}$ | $III. Green$ |
| $D. Ni^{2+}$ | $IV. Blue$ |
| $V. Yellow$ |
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