Functional Group

Which functional group is commonly found in alcohols and contributes to their solubility in water?

• Hydroxyl group

• Carboxyl group

• Amino group

• Phosphate group

Which functional group is primarily responsible for the basic properties of amines?

• Hydroxyl group

• Carboxyl group

• Amino group

• Phosphate group

Which functional group is essential for the formation of esters in organic chemistry?

• Hydroxyl group

• Carboxyl group

• Amino group

• Phosphate group

Which functional group is involved in the formation of disulfide bonds in proteins?

• Hydroxyl group

• Carboxyl group

• Sulfhydryl group

• Phosphate group

Which of the following best describes the role of the hydroxyl group in alcohols in terms of solubility in water?

• It decreases solubility due to its nonpolar nature.

• It increases solubility due to its ability to form hydrogen bonds.

• It has no effect on solubility.

• It decreases solubility due to its large size.

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DOK Level 3: Strategic Thinking

Given the structural formula of an amino acid, identify the functional groups present.

• Hydroxyl and methyl groups

• Amino and carboxyl groups

• Phosphate and sulfhydryl groups

• Carbonyl and ether groups

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DOK Level 3: Strategic Thinking

Which of the following reactions involves the interaction of a hydroxyl group with a carboxyl group?

• Formation of an amide

• Formation of an ester

• Formation of a ketone

• Formation of an alkene

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DOK Level 3: Strategic Thinking

Identify the functional group in the following image:

• Hydroxyl group

• Carboxyl group

• Amino group

• Phosphate group

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DOK Level 3: Strategic Thinking

Which of the following statements best explains the interaction between amino and carboxyl groups in proteins?

• They form hydrogen bonds that stabilize protein structure.

• They repel each other, causing protein denaturation.

• They do not interact and have no effect on protein structure.

• They form covalent bonds that destabilize protein structure.

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DOK Level 3: Strategic Thinking

Identify the functional group in the following image:

• Hydroxyl group

• Carboxyl group

• Amino group

• Phosphate group

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DOK Level 3: Strategic Thinking