JEE CHEMISTRY MCQ: BIOMOLECULES

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Which of the following statement(s) is/are false about carbohydrates?

I. It has general formula,

\mathrm{C}_x\left(\mathrm{H}_2 \mathrm{O}\right)_y

.

II. They are hydrates of carbon.

III. The molecular formula of glucose is

\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6

and general formula is

\mathrm{C}_6\left(\mathrm{H}_2 \mathrm{O}\right)_6

.

Choose the correct option.

View answer and explanation

Correct option: D

Only III

Option D is correct because while carbohydrates generally follow the formula Cx(H2O)y and are considered hydrates of carbon, the statement that glucose's general formula is C6(H2O)6 is technically correct but misleading in the context of distinguishing it from other carbohydrates.

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(A) Valine
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(C) Lysine
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(E) Tyrosine

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