​Which of the Following Statements Is/are True of Ligands

question 171

Multiple Choice

​Which of the following statements is/are true of ligands?
1) A ligand is a molecule or an ion having a lone pair of electrons that can be donated to the metal ion to form a covalent bond.2. A complex ion is a charged species consisting of a metal ion surrounded by ligands.​
3) The number of ligands attached to a metal ion is called the coordination number.

• A) 1 only​
• B) 2 only
• C) 1 and 2
• D) 1 and 3
• E) 1, 2, and 3

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Definitions:

Polysaccharides

Complex carbohydrates formed from chains of monosaccharides, playing critical roles in energy storage and structural functions in living organisms.

Disaccharide

A type of carbohydrate made up of two monosaccharide molecules bonded together.

Monosaccharide

The simplest form of carbohydrate, consisting of a single sugar molecule, such as glucose or fructose.