JEE Mains · Chemistry · STD 12 - 4. d and f- block elements
The spin-only magnetic moment value of \(\mathrm{M}^{\mathrm{n+-}}\) ion formed among \(\mathrm{Ni}, \mathrm{Zn} \mathrm{Mn}\) and Cu that has the least enthalpy of atomisation is ________. (in nearest integer)
Here n is equal to the number of diamagnetic complexes among \(\mathrm{K}_2\left[\mathrm{NiCl}_4\right],\left[\mathrm{Zn}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_2\),
\(\mathrm{K}_3\left[\mathrm{Mn}(\mathrm{CN})_6\right] \text { and }\left[\mathrm{Cu}\left(\mathrm{PPh}_3\right)_3 \mathrm{I}\right]\)
- A \(0\)
- B 1
- C 2
- D 3
Answer & Solution
Correct Answer
(A) \(0\)
Step-by-step Solution
Detailed explanation
\(\mathrm{K}_2\left[\mathrm{NiCl}_4\right] \Rightarrow \mathrm{sp}^3\), Paramagnetic \(\left[\mathrm{Zn}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_2 \Rightarrow \mathrm{sp}^3 \mathrm{~d}^2\), Diamagnetic…
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