Which of the following pairs of ions will have same spin only magnetic moment values within the pair

Question

Which of the following pairs of ions will have same spin only magnetic moment values within the pair? \ (A) $\mathrm{Zn}^{2+}, \mathrm{Ti}^{2+}$ (B) $\mathrm{Cr}^{2+}, \mathrm{Fe}^{2+}$ (C) $\mathrm{Ti}^{3+}, \mathrm{Cu}^{2+}$ (D) $\mathrm{V}^{2+}, \mathrm{Cu}^{+}$ \ Choose the correct answer from the options given below:

Professor PC Thomas Classes · Answer

(d) : Spin only magnetic moment $(\mu)=\sqrt{n(n+2)}$ B.M.