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Question: Answered & Verified by Expert
Choose the correct option having all the elements with d10 electronic configuration from the following:
Chemistryd and f Block ElementsJEE MainJEE Main 2024 (27 Jan Shift 2)
Options:
  • A Co27,Ni28,Fe26,Cr24
  • B Cu29,Zn30,Cd48,Ag47
  • C  Pd46,Ni28,Fe26,Cr24
  • D Ni28,Cr24,Fe26,Cu29
Solution:
2825 Upvotes Verified Answer
The correct answer is: Cu29,Zn30,Cd48,Ag47

Electronic Configuration is the distribution of electrons in the various available orbitals of an atom of an element. 

The mentioned elements are present in d-block.

[Cr]=[Ar]4 s13 d5

[Cd]=[Kr]5 s24 d10

[Cu]=[Ar]4 s13 d10

[Ag]=[Kr]5 s14 d10

[Zn]=[Ar]4 s23 d10

Hence, the answer is B.

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