Your Friend Jane Just Returned from the Doctor,who Diagnosed Her

question 181

Multiple Choice

Your friend Jane just returned from the doctor,who diagnosed her with a specific vitamin B toxicity.However,she doesn't recall the name of the vitamin.Which of the following is the only possible culprit associated with toxicity symptoms?

• A)Niacin
• B)Biotin
• C)Riboflavin
• D)Vitamin B₁₂

---

Definitions:

Cyclopropane

A cyclic alkane consisting of three carbon atoms connected in a ring, notable for its strain and use in organic synthesis.

Newman Projection

A method of visualizing the spatial arrangement of atoms in a molecule, showing how they are connected from the perspective of a bond axis.

Gauche Conformer

A conformation where groups are separated by a dihedral angle of approximately 60 degrees, often leading to steric hindrance.

Butane

A gaseous hydrocarbon of the alkane series, found in natural gas and used as fuel, with a formula of C4H10.