For which of the following complexes will the value of $\Delta_0$ be the lowest?

  • A
    $[Co(CN)_6]^{3-}$
  • B
    $[Co(NH_3)_6]^{3+}$
  • C
    $[Co(H_2O)_6]^{3+}$
  • D
    $[Co(C_2O_4)_3]^{3-}$

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Similar Questions

Which of the following produces high crystal field splitting?

$A$ $[M(H_2O)_6]^{2+}$ complex typically absorbs at around $600 \ nm$. It is allowed to react with ammonia to form a new complex $[M(NH_3)_6]^{2+}$ that should have absorption at ....... $nm$.

Assertion : Potassium ferrocyanide is diamagnetic,whereas potassium ferricyanide is paramagnetic.
Reason : Crystal field splitting in ferrocyanide ion is greater than that of ferricyanide ion.

Arrange the following ligands in the order of increasing field strength:
$H_2O$ $(I)$,$CO$ $(II)$,$NH_3$ $(III)$,$I^{-}$ $(IV)$,$F^{-}$ $(V)$

Write a note on crystal field theory.

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