Flashcards on Common Ligands in Coordination Chemistry

Common Ligands in Coordination Chemistry: A Student's Guide

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What is the donor/acceptor type and electron count of aqua (H2O) as a ligand?

L-type, σ-donating and π-donating, 2 electrons.

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Coordination Chemistry Ligands

37 cards

Card 1

Question: What is the donor/acceptor type and electron count of aqua (H2O) as a ligand?

Answer: L-type, σ-donating and π-donating, 2 electrons.

Card 2

Question: How does ammine (NH3) act as a ligand in terms of donation and electron count?

Answer: L-type, σ-donating only, 2 electrons.

Card 3

Question: What are the bonding characteristics and electron count for a generic amine (NR3) ligand?

Answer: L-type, σ-donating only, 2 electrons.

Card 4

Question: What is the ligand abbreviation and bonding type for pyridine, and how many electrons does it donate?

Answer: py, L-type, σ-donating and weakly π-accepting, 2 electrons.

Card 5

Question: What is 2,2'-bipyridine (bpy) classified as and how many electrons does it contribute?

Answer: bpy is a LL (bidentate) ligand, contributes 4 electrons.

Card 6

Question: What is 1,10-phenanthroline (phen) classified as and its electron count?

Answer: phen is a LL (bidentate) ligand, contributes 4 electrons.

Card 7

Question: How is ethylenediamine (en) described as a ligand and what is its electron donation?

Answer: en is LL (bidentate), σ-donating only, contributes 4 electrons.

Card 8

Question: What is the denticity and electron count of diethylenetriamine (dien)?

Answer: dien is LLL (tridentate), contributes 6 electrons.

Card 9

Question: What are the bonding properties and electron count of halido ligands I-, Br-, Cl-?

Answer: X-type, σ-donating and π-donating, 1 electron each (iodido shown as I- example).

Card 10

Question: How is fluorido (F-) characterized compared to other halides in this list?

Answer: F- is X-type, σ-donating and π-donating, 1 electron.