1
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

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

A
6
B
4
C
0
D
3
2
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following complexes is square planar and diamagnetic?

A
$$\left[\mathrm{NiCl}_4\right]^{2-}$$
B
$$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$$
C
$$\left[\mathrm{Cr}\left(\mathrm{NH}_3\right)_6\right]^{3+}$$
D
$$\left[\mathrm{CuCl}_4\right]^{2-}$$
3
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

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

A
Coordination isomerism
B
Linkage isomerism
C
Optical isomerism
D
Geometrical isomerism
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