How many ‘d’ electrons are in present Cr2+ ion
4
5
6
3
Additional Questions
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Which one of the following is a diamagnetic ion? |
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Larger number of oxidation states are exhibited by the actinoids than those by the lanthanoids, the main reason being |
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Which one of the following molecules is expected to exhibit diamagnetic behaviour? |
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What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid? |
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The ground state electronic configuration of CO molecule is |
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Of the following outer electronic configurations of atoms, the highest oxidation stateis achieved by which one of them? |
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Which is the chief ore of copper? |
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Mercury is a liquid metal because |
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The actinoids exhibits more number of oxidation states in general than the lanthanoids. This is because |
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The bonds present in the structure of dichromate ion are |
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