JEE CHEMISTRY MCQ: CO-ORDINATION COMPOUNDS

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Analyzing +4 | -1

Statement I: Under the influence of a strong field ligand,

d^7

-system will have only one unpaired electron either in coordination number six or four

Statement II:

\mathrm{t}_{2 \mathrm{~g}}{ }^6 \mathrm{e}_{\mathrm{g}}{ }^1

is the electronic configuration for both cases

View answer and explanation

Correct option: C

Statement I is correct but statement II is false

Statement I is correct, but Statement II is false because the electronic configuration for a strong field

d^7

system is

t_{2g}^6e_g^1

in an octahedral field and

e^4t_2^3

in a tetrahedral field.

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