1
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

A d - block metal $$\mathrm{X}(\mathrm{Z}=26)$$ forms a compound $$[\mathrm{X}(\mathrm{CN})_2(\mathrm{CO})_4]^{+}$$. Calculate its spin magnetic moment value.

A
2.83 BM
B
1.73 BM
C
3.87 BM
D
5.92 BM
2
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

A Coordination compound is represented by the formula $$[\mathrm{CoBr}_3(e n) x]$$. This compound required one mole of $$\mathrm{AgNO}_3$$ to form a pale yellow precipitate of $$\mathrm{AgBr}$$. What is the value of $$\mathrm{x}$$ in the compound?

A
2
B
1
C
4
D
3
3
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Choose the incorrect statement from the following.

A
A tetrahedral complex of the type $$[\mathrm{Ma}_2 \mathrm{b}_2]$$ does not show geometrical isomerism
B
Coordination entities of the type $$[\mathrm{Ma}_3 \mathrm{b}_3]$$ do not exhibit geometrical isomerism
C
Square planar complex  of the type [Mabcd] has 3 possible geometrical isomers
D
In a coordination entity of the type $$[\mathrm{Ma} 2(\mathrm{bb})_2]^{2+}$$ only the cis-isomer is optically active
4
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is diamagnetic?

A
$$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$$
B
$$\left[\mathrm{Co}\left(\mathrm{F}_6\right)\right]^{3-}$$
C
$$\left[\mathrm{NiCl}_4\right]^{2-}$$
D
$$\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$$
COMEDK Subjects
EXAM MAP