Werner
became the first Swiss chemist to win the Nobel Prize in 1913 for his work
on the linkage of atoms and the coordination theory (1866-1919)
(1866-1919)
(1866-1919)
(1866-1919)
(1866-1919)
Rationalised 2023-24
121
Coordination Compounds
( a ) Coordination entity
A coordination entity constitutes a central metal atom or ion bonded
to a fixed number of ions or molecules For example, [CoCl3(NH3)3]
is a coordination entity in which the cobalt ion is surrounded by
three ammonia molecules and three chloride ions Other examples
are [Ni(CO)4], [PtCl2(NH3)2], [Fe(CN)6]
4–, [Co(NH3)6]
3+