Solubility properties of triglycerides Steps:

• Triglycerides consist of glycerol and three fatty acid chains, forming non-polar molecules.
• Non-polar nature makes them hydrophobic, repelling water.
• They do not dissolve in polar water due to lack of hydrogen bonding, so insoluble in water.
• They dissolve in moderately polar alcohol via van der Waals forces, so soluble in alcohol.

Why B is correct:

• B matches triglycerides' profile: hydrophobic (✓), insoluble in water (✓), but soluble in alcohol (x for "insoluble").

Why the others are wrong:

• A incorrectly marks insoluble in alcohol (✓), but triglycerides are soluble.
• C incorrectly marks hydrophobic (x), but triglycerides are non-polar and hydrophobic.
• D incorrectly marks all properties false (x), ignoring their non-polar characteristics.

Final answer: B