A) \[{{\Delta }_{0}}\] value for is less than that of (B).
B) both absorb energies corresponding to their complementary colors.
C) \[{{\Delta }_{0}}\] values of and are calculated. From the energies of violet and yellow light, respectively.
D) both are paramagnetic with three unpaired electrons.
Correct Answer: C
Solution :
\[{{\Delta }_{0}}\] order will be compared by spectro- chemical series not by energies of violet and yellow light so \[{{\Delta }_{0}}\] order is \[\left[ Cr{{\left( {{H}_{2}}O \right)}_{6}}]C{{l}_{3}}<\text{ } \right[Cr{{\left( N{{H}_{3}} \right)}_{6}}]C{{l}_{3}}\]
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