which of the following is a coloured ion? 1)Cu + 2)Cu 2+ 3)K + 4)Na + and why?

Question

Rajat Verma · Answer

Cu+2 contains unpaired electron in its outermost d-orbital.Hence it is coloured.Cu+ = 3d10Cu+2 = 3d9K+ = 3s2 3p6Na+ = 2s2 2p6

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which of the following is a coloured ion? 1)Cu + 2)Cu 2+ 3)K + 4)Na + and why?

which of the following is a coloured ion?
1)Cu⁺
2)Cu²⁺
3)K⁺
4)Na⁺
and why?

1 Answers

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which of the following is a coloured ion? 1)Cu + 2)Cu 2+ 3)K + 4)Na + and why?

which of the following is a coloured ion?1)Cu+2)Cu2+3)K+4)Na+and why?

1 Answers

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which of the following is a coloured ion?
1)Cu⁺
2)Cu²⁺
3)K⁺
4)Na⁺
and why?