COMEDK 2024 Morning Shift | Coordination Compounds Question 8 | Chemistry

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.

2.83 BM

1.73 BM

3.87 BM

5.92 BM

COMEDK 2024 Morning Shift

MCQ (Single Correct Answer)

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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?

COMEDK 2024 Morning Shift

MCQ (Single Correct Answer)

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Choose the incorrect statement from the following.

A tetrahedral complex of the type $$[\mathrm{Ma}_2 \mathrm{b}_2]$$ does not show geometrical isomerism

Coordination entities of the type $$[\mathrm{Ma}_3 \mathrm{b}_3]$$ do not exhibit geometrical isomerism

Square planar complex of the type [Mabcd] has 3 possible geometrical isomers

In a coordination entity of the type $$[\mathrm{Ma} 2(\mathrm{bb})_2]^{2+}$$ only the cis-isomer is optically active

COMEDK 2023 Morning Shift

MCQ (Single Correct Answer)

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Which among the following is diamagnetic?

$$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$$

$$\left[\mathrm{Co}\left(\mathrm{F}_6\right)\right]^{3-}$$

$$\left[\mathrm{NiCl}_4\right]^{2-}$$

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

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