AP EAPCET 2024 - 21th May Morning Shift | Coordination Compounds Question 6 | Chemistry

$$ \begin{aligned} & \mathrm{H}_2 \mathrm{O} \text { ? } \\ & \mathrm{S}^{2-}, \mathrm{Br}^{-}, \mathrm{C}_2 \mathrm{O}_4^{2-}, \mathrm{CN}^{-} \text {, en, } \mathrm{NH}_3, \mathrm{CO}, \mathrm{OH}^{-} \\ & \begin{array}{ll} \text { } & \text { } \end{array} \end{aligned} $$

AP EAPCET 2024 - 20th May Evening Shift

MCQ (Single Correct Answer)

-0

Arrange the following in the increasing order of number of unpaired electrons present in the central metal ion

I. $\left[\mathrm{MnCl}_6\right]^{3-}$

II. $\left[\mathrm{FeF}_6\right]^{3-}$

III. $\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}$

IV. $\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$

IV $<$ I $<$ III $<$ II

I $<$ III $<$ II $<$ IV

IV $<$ III $<$ I $<$ II

I $<$ II $<$ III $<$ IV

AP EAPCET 2024 - 20th May Morning Shift

MCQ (Single Correct Answer)

-0

The paramagnetic complex ion, which has no unpaired electrons in $t_{2 g}$ orbitals is

$\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-}$

$\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$

$\left[\mathrm{Zn}\left(\mathrm{NH}_3\right)_6\right]^{2+}$

$\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_6\right]^{2+}$

AP EAPCET 2024 - 19th May Evening Shift

MCQ (Single Correct Answer)

-0

The spin only magnetic moments of the complexes $\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}$ and $\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-}$ are respectively.

$2.84 \mathrm{BM}, 0 \mathrm{BM}$

$0 \mathrm{BM}, 2.84 \mathrm{BM}$

$0 \mathrm{BM}, 3.87 \mathrm{BM}$

$5.92 \mathrm{BM}, 2.84 \mathrm{BM}$

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