274025 The species that has a spin-only magnetic moment of 5.9 BM, is $\left(T_{d}=\right.$ tetrahedral $)$

274026 The pair in which both the species have the same magnetic moment (spin only) is

274029 The correct order of the spin only magnetic moments of the following complexes is
(I) $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Br}_{2}$
(II) $\mathrm{Na}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$
(III) $\mathrm{Na}_{3}\left[\mathrm{Fe}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]\left(\Delta_{0}>\mathrm{P}\right)$
(IV) $\left(\mathrm{Et}_{4} \mathrm{~N}\right)_{2}\left[\mathrm{CoCl}_{4}\right]$

274030 The d-electron configurations of $\mathrm{Cr}^{2+}, \mathrm{Mn}^{2+}$, $\mathrm{Fe}^{2+}$ and $\mathrm{Co}^{2+}$ are $d^{4}, d^{5}, d^{6}$ and $d^{7}$ respectively. Which one of the following will exhibit the lowest paramagnetic behavior?
(Atomic no. $\mathrm{Cr}=24, \mathrm{Mn}=25, \mathrm{Fe}=26, \mathrm{Co}=27$ ).

274025 The species that has a spin-only magnetic moment of 5.9 BM, is $\left(T_{d}=\right.$ tetrahedral $)$

274026 The pair in which both the species have the same magnetic moment (spin only) is

274029 The correct order of the spin only magnetic moments of the following complexes is
(I) $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Br}_{2}$
(II) $\mathrm{Na}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$
(III) $\mathrm{Na}_{3}\left[\mathrm{Fe}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]\left(\Delta_{0}>\mathrm{P}\right)$
(IV) $\left(\mathrm{Et}_{4} \mathrm{~N}\right)_{2}\left[\mathrm{CoCl}_{4}\right]$

274030 The d-electron configurations of $\mathrm{Cr}^{2+}, \mathrm{Mn}^{2+}$, $\mathrm{Fe}^{2+}$ and $\mathrm{Co}^{2+}$ are $d^{4}, d^{5}, d^{6}$ and $d^{7}$ respectively. Which one of the following will exhibit the lowest paramagnetic behavior?
(Atomic no. $\mathrm{Cr}=24, \mathrm{Mn}=25, \mathrm{Fe}=26, \mathrm{Co}=27$ ).

274025 The species that has a spin-only magnetic moment of 5.9 BM, is $\left(T_{d}=\right.$ tetrahedral $)$

274026 The pair in which both the species have the same magnetic moment (spin only) is

274029 The correct order of the spin only magnetic moments of the following complexes is
(I) $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Br}_{2}$
(II) $\mathrm{Na}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$
(III) $\mathrm{Na}_{3}\left[\mathrm{Fe}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]\left(\Delta_{0}>\mathrm{P}\right)$
(IV) $\left(\mathrm{Et}_{4} \mathrm{~N}\right)_{2}\left[\mathrm{CoCl}_{4}\right]$

274030 The d-electron configurations of $\mathrm{Cr}^{2+}, \mathrm{Mn}^{2+}$, $\mathrm{Fe}^{2+}$ and $\mathrm{Co}^{2+}$ are $d^{4}, d^{5}, d^{6}$ and $d^{7}$ respectively. Which one of the following will exhibit the lowest paramagnetic behavior?
(Atomic no. $\mathrm{Cr}=24, \mathrm{Mn}=25, \mathrm{Fe}=26, \mathrm{Co}=27$ ).

274025 The species that has a spin-only magnetic moment of 5.9 BM, is $\left(T_{d}=\right.$ tetrahedral $)$

274026 The pair in which both the species have the same magnetic moment (spin only) is

274029 The correct order of the spin only magnetic moments of the following complexes is
(I) $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Br}_{2}$
(II) $\mathrm{Na}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$
(III) $\mathrm{Na}_{3}\left[\mathrm{Fe}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]\left(\Delta_{0}>\mathrm{P}\right)$
(IV) $\left(\mathrm{Et}_{4} \mathrm{~N}\right)_{2}\left[\mathrm{CoCl}_{4}\right]$

274030 The d-electron configurations of $\mathrm{Cr}^{2+}, \mathrm{Mn}^{2+}$, $\mathrm{Fe}^{2+}$ and $\mathrm{Co}^{2+}$ are $d^{4}, d^{5}, d^{6}$ and $d^{7}$ respectively. Which one of the following will exhibit the lowest paramagnetic behavior?
(Atomic no. $\mathrm{Cr}=24, \mathrm{Mn}=25, \mathrm{Fe}=26, \mathrm{Co}=27$ ).