Question:

Choose the correct option having all the elements with d10 d^{10} electronic configuration from the following:

Updated On: Mar 21, 2025
  • 27Co,28Ni,26Fe,24Cr {}^{27}\text{Co}, {}^{28}\text{Ni}, {}^{26}\text{Fe}, {}^{24}\text{Cr}
  • 29Cu,30Zn,48Cd,47Ag {}^{29}\text{Cu}, {}^{30}\text{Zn}, {}^{48}\text{Cd}, {}^{47}\text{Ag}
  • 46Pd,28Ni,26Fe,24Cr {}^{46}\text{Pd}, {}^{28}\text{Ni}, {}^{26}\text{Fe}, {}^{24}\text{Cr}
  • 28Ni,24Cr,26Fe,29Cu {}^{28}\text{Ni}, {}^{24}\text{Cr}, {}^{26}\text{Fe}, {}^{29}\text{Cu}
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The Correct Option is B

Solution and Explanation

Elements such as Cu, Zn, Ag, and Cd exhibit a d10d^{10} electronic configuration:

- [Cu]=[Ar]3d104s1[ \text{Cu} ] = [ \text{Ar} ] 3d^{10} 4s^1,
- [Zn]=[Ar]3d104s2[ \text{Zn} ] = [ \text{Ar} ] 3d^{10} 4s^2,
- [Ag]=[Kr]4d105s1[ \text{Ag} ] = [ \text{Kr} ] 4d^{10} 5s^1,
- [Cd]=[Kr]4d105s2[ \text{Cd} ] = [ \text{Kr} ] 4d^{10} 5s^2.

The Correct answer is: 29Cu,30Zn,48Cd,47Ag {}^{29}\text{Cu}, {}^{30}\text{Zn}, {}^{48}\text{Cd}, {}^{47}\text{Ag}

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