CBSE Class 12 Chemistry 2023 Outside Delhi Set 1 Solved Paper

Question : 30 of 35

Marks: +1, -0

(a) Draw the geometrical isomers of

[{Co}(e n)_2 {Cl}_2]^{2+}

.
Which geometrical isomer of

[{Co}({en})_2 {Cl}_2]^{2+}

is not optically active and why?
(b) Write the hybridisation and magnetic behaviour of

[{CoF}_6]^{3-}

.
[Given: Atomic number of

{Co}=27

]

Solution:

(a) Geometrical isomers of

[{Co}({en})_2 {Cl}_2]^{2+}

(b)

[{CoF}_6]^{3-}

\∵

it contains unpaired electrons
it is paramagnetic in nature

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