Vitamin D Is Essential for the Normal Development of Teeth

question 67

Multiple Choice

Vitamin D is essential for the normal development of teeth and bones.A tablet of Vitamin D is tested for its solubility in water and benzene.The results are shown in the table below.What is the most appropriate interpretation of the solubility results? $\begin{array}{|l|r|}\hline \text { water } & \text { benzene }\left(\mathrm{C}_{6} \mathrm{H}_{6}\right) \\\hline \text { insoluble } & \text { soluble } \\\hline\end{array}$

• A)Vitamin D is likely a nonpolar substance.
• B)Vitamin D is likely a polar substance.
• C)Vitamin D is likely a bipolar substance.
• D)Vitamin D is likely an ionic compound.
• E)It is impossible to say anything about the polarity of Vitamin D without knowing its structure.

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