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Ligand: Quiz

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Question 1: The binding affinity of a chelating system depends on the chelating angle or ________.
AlkyneHydroformylationBite angleTriphenylphosphine

Question 2: Ligand selection is a critical consideration in many practical areas, including bioinorganic and medicinal chemistry, homogeneous catalysis, and ________.
Environmental chemistryEnvironmental engineeringRecyclingSustainable design

Question 3: Ligands in a complex dictate the reactivity of the central atom, including ligand substitution rates, the reactivity of the ligands themselves, and ________.
OxygenRedoxCarbonHydrogen

Question 4: In coordination ________, a ligand is an ion, or molecule (see also: functional group) that binds to a central metal-atom to form a coordination complex.
Periodic tableChemistryInorganic chemistryElectrochemistry

Question 5: ________ is a good example: the iron atom is at the centre of a porphyrin macrocycle, being bound to four nitrogen atoms of the tetrapyrrole macrocycle.
Cofactor (biochemistry)HemeAdenosine triphosphateMetalloprotein

Question 6: Ligands that bind via more than one atom are often termed ________.
EDTAChelation therapyLipoic acidChelation

Question 7: The ligand ________4- is classified as an L2X4 ligand, as it features four anions and two neutral donor sites.
AspirinEDTADipyridamoleWarfarin

Question 8: A classic example of a polydentate ligand is the hexadentate chelating agent ________, which is able to bond through six sites, completely surrounding some metals.
AspirinDipyridamoleWarfarinEDTA

Question 9: Thus, the halides and pseudohalides are important anionic ligands whereas ________, carbon monoxide, and water are particularly common charge-neutral ligands.
NitrogenChlorineHydrogenAmmonia

Question 10: Ligand exchange (also ligand substitution) is a type of ________ in which one ligand in a chemical compound is replaced by another ligand.
HydrogenNitrogenChemistryChemical reaction







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