In which of the following pairs,the outermost electronic configuration will be the same?
- A$Cr^{+}$ and $Mn^{2+}$
- B$Ni^{2+}$ and $Cu^{+}$
- C$Fe^{2+}$ and $Co^{+}$
- D$V^{2+}$ and $Cr^{+}$
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Which of the following types of metals form the most efficient catalysts?
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View SolutionMatch Column $A$ with Column $B$:
Column $A$ Column $B$ $(1)$ $V^{4+}$ $(a)$ Colorless $(2)$ $Ti^{3+}$ $(b)$ Pink $(3)$ $Ti^{4+}$ $(c)$ Purple $(4)$ $Mn^{2+}$ $(d)$ Blue $(e)$ Violet
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| $(1)$ $V^{4+}$ | $(a)$ Colorless |
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| $(3)$ $Ti^{4+}$ | $(c)$ Purple |
| $(4)$ $Mn^{2+}$ | $(d)$ Blue |
| $(e)$ Violet |
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