Question

the data table provides the chemical formulas of four unknown substances. analyze the table. which of the unknown substances is a carbohydrate? substance 2 substance 1 substance 3 substance 4

unknown substance chemical formula
1 co₂
2 nh₂ch₂cooh
3 c₆h₁₂o₆
4 c₁₁h₈₀no₃p

Explanation:

Carbohydrates have a general formula of $(CH_2O)_n$. Substance 3, $C_6H_{12}O_6$, follows this general formula where $n = 6$. Substance 1 is carbon - dioxide, substance 2 is an amino - acid (glycine), and substance 4 has additional nitrogen and phosphorus atoms and is likely a lipid or a related compound.

Answer:

C. substance 3