VITEEE 2023 | Coordination Compounds Question 4 | Chemistry

Atomic number of $$\mathrm{Mn}, \mathrm{Fe}$$ and $$\mathrm{Co}$$ are 25, 26 and 27 respectively. Which of the following inner orbital octahedral complex ions are diamagnetic?

I. $$\left[\mathrm{CO}\left(\mathrm{NH}_3\right)_6\right]^{3+}$$

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

III. $$\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-}$$

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

Choose the correct option.

II and III

I and IV

I and III

II and IV

VITEEE 2022

MCQ (Single Correct Answer)

-0

Which type of isomerism is exhibited by $$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}$$?

Geometrical isomerism

Optical isomerism

lonisation isomerism

Linkage isomerism

VITEEE 2021

MCQ (Single Correct Answer)

-0

Specify the coordination number of cobalt in $$\left[\mathrm{Co}(\mathrm{CN})\left(\mathrm{H}_2 \mathrm{O}\right)(\mathrm{e n})^2\right]^{2+}$$

VITEEE 2021

MCQ (Single Correct Answer)

-0

Which of the following complexes is square planar and diamagnetic?

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

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

$$\left[\mathrm{Cr}\left(\mathrm{NH}_3\right)_6\right]^{3+}$$

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

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