The denticity of the ligand present in the Fehling's reagent is $..........$.

What is the number of electrons lost by $Cr$ in a complex $[Cr(CO)_6]$?

The electrolyte $[Co(NH_3)_5Cl]Cl_2$ is which of the following type?

One mole of the octahedral complex compound $Co(NH_3)_5Cl_3$ gives $3$ moles of ions on dissolution in water. One mole of the same complex reacts with excess of $AgNO_3$ solution to yield two moles of $AgCl_{(s)}$. The structure of the complex is :

Which of the following is a negative ligand?

Which of the following is a homoleptic complex?