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Q.

Cu2+ will have the following electronic configuration

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a

1s2,  2s2,  2p6,  3s2 3p63d10

b

1s2,  2s2,  2p6,  3s2 3p63d94s1

c

1s2,  2s2,  2p6,  3s2 3p63d9

d

1s2,  2s2,  2p6,  3s2 3p63d10,4s1

answer is C.

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Detailed Solution

Ground state of Cu29=1s2  2s2  2p6 3s2 3p63d104s1Cu2+=1s2  2s2  2p6 3s2 3p63d9
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