The d-electron configurations of $$C{{r}^{2+}},M{{n}^{2+}},F{{e}^{2+}}$$ and $$C{{o}^{2+}}$$ are $${{d}^{4}},{{d}^{5}},{{d}^{6}}$$ and $${{d}^{7}}$$ respectively. Which one of the following will exhibit the lowest paramagnetic behaviour? (Atomic no. Cr = 24, Mn = 25, Fe= 26, Co = 27).

Question

TuteeHUB · Accepted Answer

$${{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}}$$

TuteeHUB · Answer

$${{[Co{{({{H}_{2}}O)}_{6}}]}^{2+}}$$

TuteeHUB · Answer

$${{[Mn{{({{H}_{2}}O)}_{6}}]}^{2+}}$$

TuteeHUB · Answer

$${{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}$$

1.	The d-electron configurations of \[C{{r}^{2+}},M{{n}^{2+}},F{{e}^{2+}}\] and \[C{{o}^{2+}}\] are \[{{d}^{4}},{{d}^{5}},{{d}^{6}}\] and \[{{d}^{7}}\] respectively. Which one of the following will exhibit the lowest paramagnetic behaviour? (Atomic no. Cr = 24, Mn = 25, Fe= 26, Co = 27).
A.	\[{{[Co{{({{H}_{2}}O)}_{6}}]}^{2+}}\]
B.	\[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}}\]
C.	\[{{[Mn{{({{H}_{2}}O)}_{6}}]}^{2+}}\]
D.	\[{{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}\]
Answer» B. \[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}}\]

The d-electron configurations of \[C{{r}^{2+}},M{{n}^{2+}},F{{e}^{2+}}\] and \[C{{o}^{2+}}\] are \[{{d}^{4}},{{d}^{5}},{{d}^{6}}\] and \[{{d}^{7}}\] respectively. Which one of the following will exhibit the lowest paramagnetic behaviour? (Atomic no. Cr = 24, Mn = 25, Fe= 26, Co = 27).

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