Question

Consider the following ligand that has a planar (flat) geometry: How would you describe this ligand?

How would you describe this ligand?

monodentate

bidentate

tridentate

tetradentate

hexadentate

octadentate

Answer 1

V Dala » Monodentate ligand . - This is having planar geometry in which the ligand that has only one atom that co-ordinates directly to central atom in complex eg NH₃ cl, Hzo monodentate ligand.. complex etc (cu CNH3), je ) cuckol - Coctahedral) Coctahedral) The number of bonds depends on size, charge and electronic - configuration of metal ion and ligand -only one donar atome 2 Bidantate ligand = These are lewis bases that I donates two pairs of electrons. a to metal aton = Also called as chelating ligands. eg ethylene dianine oxalate ion 2 complexes [Nicox), Here coordination number four indicates 1 Square Planar geometry 2) (Nicen), Cla] - Here co-ordination number six - indicates octahedral structure

Tridentate This is a ligand that has three atoms as a donar atons - in co-ordination complex eg diethylenetrianine - with the three nitrogen donar complex Terpyridyl. (terpy) - _mg) Tetradentate ligand - This is ligand that bind with four donar atom to central aton I to form co-ordination complex. example phthalocyanine t Tetradentate ligand are common in nature. in form of chlorophyll which has a core ligand called chlorin and here with a core ligand called porphyrin Triethylenete traanine Ctxien) -- four donar atom of nitrogen.

Dato s) 1 Hexadentate ligand The lig and that combines with central metal aton with six bonds example EDIA | Ethylene_diamine tetoarcetic acid नष्ट CH2 cool -CHECKEN Ноос не е 2- Here two w atoms and four negatively charged oxygen atom acts as doncer. complex of Ente_with_ magnesium ? سمی 2H

) Loctadentate ligand - the ligand that combines with central metal atom with I eight bonds. is called as a octadentate ligand. example salophene is a octadentate ligand having a eight donar atom init se oxygen and nitrogen. complex D - 2) Iron (III) salophene daz[ TizCsalophen*