MCQ
The complex that has highest crystal field splitting energy $(\Delta )$ is
- A$[Co(NH_3)_5(H_2O)]Cl_3$
- B$K_2[CoCl_4]$
- C$[Co(NH_3)_5Cl]Cl_2$
- ✓$K_3[Co(CN)_6]$
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Assertion $A :$ Dipole-dipole interactions are the only non-covalent interactions, resulting in hydrogen bond formation.
Reason $R$ : Fluorine is the most electronegative element and hydrogen bonds in $HF$ are symmetrical.
In the light of the above statements, choose the most appropriate answer from the options given below.