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  • The electronic configuration of Cu(II) is 3d_{9} whereas that of Cu(I) is 3d_{10} . Which of the following is correct? (i) Cu(II) is more stable (ii) Cu(II) is less stable (iii) Cu(I) and Cu(II) are equally stable

The electronic configuration of Cu(II) is 3d^{9} whereas that of Cu(I) is 3d^{10}. Which of the following is correct?

(i) Cu(II) is more stable

(ii) Cu(II) is less stable

(iii) Cu(I) and Cu(II) are equally stable

(iv) Stability of Cu(I) and Cu(II) depends on the nature of copper salts

Answers (1)

The answer is option (i). The stability of Cu\left ( II \right ) is greater due to the greater effective nuclear charge of Cu\left ( II \right ).

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