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Which of the following could be the chemical formula for a carbohydrate monomer?

Question 21 options:

C2H4O2

C3H5O3

H2O

CO2

1 answer

A carbohydrate monomer is typically a simple sugar or saccharide, such as glucose, which has the general chemical formula of \(C_n(H_2O)_n\), where \(n\) is typically 3 or more, but for a monomer, we can consider smaller values.

Let's analyze the provided options:

  1. C2H4O2: This can be rewritten as \(C_2(H_2O)\), which indicates it has the potential to be a carbohydrate (specifically, it could be a simple sugar).

  2. C3H5O3: This does not fit the general carbohydrate formula as the ratio is not maintained.

  3. H2O: This is water and not a carbohydrate monomer.

  4. CO2: This is carbon dioxide and also not a carbohydrate monomer.

From these options, C2H4O2 could be considered a carbohydrate monomer.