Chemistry IAL Uni1 1

What is the correct formula for monosaccharide?

CnH2nO

What reaction joins two monosaccharides together to form a disaccharide?

Condensation

What bond joins two monosaccharides to form a disaccharide?

Glycosidic bond

State whether the following sugars are monosaccharides or disaccharides?

Fructose —>____________

Glucose ——> ___________

Sucrose —> ________

1. monosaccharide

2. monosaccharide

3. Disacharride

What bonds are present in sucrose?

glycosidic

Sucrose and lactose are both _________. They both contain a molecule of _____. Sucrose also contains one molecule of ________. Lactose also contains one molecule of galactose.

1. disaccharrides

2. Glucose

3. fructose

4. Galactose

What are non-reducing sugars?

Sugars that do not interact with benedicts solution.

What effect do reducing sugars have on benedicts solution?

They turn the benedicts solution from blue to brick red.

What are isomers?

Molecules with the same molecular formula but a different structural formula.