COMEDK 2023 Evening Shift | Coordination Compounds Question 14 | Chemistry

S.No.	Coordination compounds	S.No.	Characteristic features
W	$$ \left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{Cl}\right] \mathrm{Cl}_3 $$	P	$$ \text { Oxidation state }=+3 \text { Configuration }=\mathrm{d}^5 \quad \mu=5.92 \mathrm{BM} $$
X	$$ \mathrm{K}_4\left[\mathrm{Mn}(\mathrm{CN})_6\right. $$	Q	$$ \text { Oxidation state }=+3 \text { Configuration }=\mathrm{d}^3 \quad \mu=3.87 \mathrm{BM} $$
Y	$$ \left[\mathrm{CrCl}_3(\mathrm{py})_3\right] $$	R	$$ \text { Oxidation state }=+3 \text { Configuration }=d^6 \quad \mu=0 \mathrm{BM} $$
Z	$$ \mathrm{Cs}\left[\mathrm{FeCl}_4\right] $$	S	$$ \text { Oxidation state }=+2 \text { Configuration }=\mathrm{d}^5 \quad \mu=1.732 \mathrm{BM} $$

$$ \mathrm{W}=\mathrm{S} \quad \mathrm{X}=\mathrm{R} \quad \mathrm{Y}=\mathrm{Q} \quad \mathrm{Z}=\mathrm{P} $$

$$ \mathrm{W}=\mathrm{S} \quad \mathrm{X}=\mathrm{P} \quad \mathrm{Y}=\mathrm{Q} \quad \mathrm{Z}=\mathrm{R} $$

$$ \mathrm{W}=\mathrm{R} \quad \mathrm{X}=\mathrm{S} \quad \mathrm{Y}=\mathrm{P} \quad \mathrm{Z}=\mathrm{Q} $$

$$ \mathrm{W}=\mathrm{R} \quad \mathrm{X}=\mathrm{S} \quad \mathrm{Y}=\mathrm{Q} \quad \mathrm{Z}=\mathrm{P} $$

COMEDK 2023 Evening Shift

MCQ (Single Correct Answer)

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Which one of the following is an incorrect statement pertaining to the properties of Coordination compounds?

A square planar complex of the type Mabcd, where a, b, c and d are unidentate ligands, exhibits geometrical isomerism and exists in one cis-form and two trans-forms.

[$$\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{NO}_2$$] Cl₂ exists in 2 forms, the red form and the yellow form which are linkage isomers.

$$\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$$ is called a Low spin complex.

Out of cis- $$\left[\mathrm{CrCl}_2(\mathrm{ox})_2\right]^{3-}$$ and trans- $$\left[\mathrm{CrCl}_2(\mathrm{ox})_2\right]^{3-}$$, the trans isomer is optically inactive.

COMEDK 2023 Evening Shift

MCQ (Single Correct Answer)

-0

Which one of the following Coordination entities exhibits Facial and Meridional isomerism?

$$ \left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_3\left(\mathrm{NO}_2\right)_3\right] $$

$$ \left[\mathrm{Co}(\text { en })_2 \mathrm{Cl}_2\right]^{+} $$

$$ \left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Br}_2\right] \mathrm{NO}_3 $$

$$ \left[\mathrm{Co}(\text { en })_3\right] \mathrm{Cl}_3 $$

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