1
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following complex show optical isomerism?
(i) $$c i s-\left[\mathrm{COCl}(\mathrm{en})_2\left(\mathrm{NH}_3\right)\right]^{2+}$$
(ii) $$cis-\left[\mathrm{CrCl}_2(\mathrm{ox})_2\right]^{3-}$$
(iii) $$cis-[ \left.\mathrm{CO}(\mathrm{en})_2 \mathrm{Cl}_2\right] \mathrm{Cl}$$
(iv) $$cis- \left[\mathrm{CO}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}$$
2
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0
Mohr's salt has the formula
3
COMEDK 2023 Evening Shift
MCQ (Single Correct Answer)
+1
-0
Identify the correct IUPAC name of $$[\mathrm{CoCl}_2(\mathrm{NO}_2)(\mathrm{NH}_3)_3]$$
4
COMEDK 2023 Evening Shift
MCQ (Single Correct Answer)
+1
-0
Match the Coordination compounds given in Column I with their characteristic features listed in Column II.
| 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 | $$ \text { Oxidation state }=+2 \text { Configuration }=\mathrm{d}^5 \quad \mu=1.732 \mathrm{BM} $$ |
Questions Asked from Coordination Compounds (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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