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Q.The correct increasing order of crystal field splitting energy (Δo\Delta_o) for the following complexes is:

a
[Cr(Cl)6]3−<[Cr(H2O)6]3+<[Cr(en)3]3+[Cr(Cl)_6]^{3-} < [Cr(H_2O)_6]^{3+} < [Cr(en)_3]^{3+}
b
[Cr(en)3]3+<[Cr(H2O)6]3+<[Cr(Cl)6]3−[Cr(en)_3]^{3+} < [Cr(H_2O)_6]^{3+} < [Cr(Cl)_6]^{3-}
c
[Cr(H2O)6]3+<[Cr(en)3]3+<[Cr(Cl)6]3−[Cr(H_2O)_6]^{3+} < [Cr(en)_3]^{3+} < [Cr(Cl)_6]^{3-}
d
[Cr(Cl)6]3−<[Cr(en)3]3+<[Cr(H2O)6]3+[Cr(Cl)_6]^{3-} < [Cr(en)_3]^{3+} < [Cr(H_2O)_6]^{3+}

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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