1
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

The complex which does not show optical isomerism is

A
cis $$-\left[\mathrm{Co}(\mathrm{en})_2 \mathrm{Cl}_2\right] \mathrm{Cl}$$
B
cis $$-\left[\mathrm{CrCl}_2(\mathrm{ox})_2\right]^{3-}$$
C
cis $$-\left[\mathrm{CoCl}(\mathrm{en})_2\left(\mathrm{NH}_3\right)\right]^{2+}$$
D
cis $$-\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}$$
2
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

The oxidation state of nickel in [Ni(CO$$_4$$)] is

A
1
B
2
C
3
D
0
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Which type of ligand is EDTA?

A
Monodentate
B
Hexadentate
C
Bidentate
D
Tridentate
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The correct IUPAC name of the coordination compound K$$_3$$[Fe(CN)$$_5$$NO] is

A
potassium pentacyanonitrosylferrate (II)
B
potassium pentacyanonitro-N-ferrate (III)
C
potassium nitritopentacyanoferrate (IV)
D
potassium nitritopentacyanoiron (II)
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