JEE Mains · Chemistry · STD 12 - 4. d and f- block elements
Choose the correct option having all the elements with \(\mathrm{d}^{10}\) electronic configuration from the following:
- A \({ }^{27} \mathrm{Co},{ }^{28} \mathrm{Ni},{ }^{26} \mathrm{Fe},{ }^{24} \mathrm{Cr}\)
- B \({ }^{29} \mathrm{Cu},{ }^{30} \mathrm{Zn},{ }^{48} \mathrm{Cd},{ }^{47} \mathrm{Ag}\)
- C \({ }^{46} \mathrm{Pd},{ }^{28} \mathrm{Ni},{ }^{26} \mathrm{Fe},{ }^{24} \mathrm{Cr}\)
- D \({ }^{28} \mathrm{Ni},{ }^{24} \mathrm{Cr},{ }^{26} \mathrm{Fe},{ }^{29} \mathrm{Cu}\)
Answer & Solution
Correct Answer
(B) \({ }^{29} \mathrm{Cu},{ }^{30} \mathrm{Zn},{ }^{48} \mathrm{Cd},{ }^{47} \mathrm{Ag}\)
Step-by-step Solution
Detailed explanation
\( {[\mathrm{Cr}]=[\mathrm{Ar}] 4 \mathrm{~s}^1 3 \mathrm{~d}^5} \) \( {[\mathrm{Cd}]=[\mathrm{Kr}] 5 \mathrm{~s}^2 4 \mathrm{~d}^{10}} \) \( {[\mathrm{Cu}]=[\mathrm{Ar}] 4 \mathrm{~s}^1 3 \mathrm{~d}^{10}} \)…
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