The metal ion which does not form coloured compounds is
- AChromium
- BManganese
- CZinc
- DIron
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Similar Questions
Which element from the following does $NOT$ exhibit a magnetic moment in the $+2$ oxidation state?
The metal commonly present in brass and german silver is
Easy
View SolutionBesides $Zn$ and $Cu$,german silver contains the metal
Easy
View SolutionMatch the following atoms/ions with their correct electronic configurations:
Atom/Ion Electronic Configuration $(1) \ Cu$ $(A) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^{10}$ $(2) \ Cu^{2+}$ $(B) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^{10}, 4s^2$ $(3) \ Zn^{2+}$ $(C) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^{10}, 4s^1$ $(4) \ Cr^{3+}$ $(D) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^9$ $(E) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^3$
| Atom/Ion | Electronic Configuration |
| $(1) \ Cu$ | $(A) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^{10}$ |
| $(2) \ Cu^{2+}$ | $(B) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^{10}, 4s^2$ |
| $(3) \ Zn^{2+}$ | $(C) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^{10}, 4s^1$ |
| $(4) \ Cr^{3+}$ | $(D) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^9$ |
| $(E) 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^3$ |
Medium
View SolutionThe elements with full $d^{10}$ electronic configuration in their $+2$ oxidation state are
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