One way of defining or identifying carbohydrates is to say that they can be described by the general formula, $C_{m} (H_{2} O)_{n}$ , where m and n may or may not be the same integer.
Of the four structures displayed in the figure above, which one does NOT fit this definition of a carbohydrate?

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III

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Solution

The correct option is B II
According to the general formula given in the question, II does not fit in the equation as it has 2 carbon atoms, 4 hydrogen atoms but only 1 oxygen atom.

So, the correct answer is 'ii'.

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One way of defining or identifying carbohydrates is to say that they can be described by the general formula, Cm(H2O)n, where m and n may or may not be the same integer.Of the four structures displayed in the figure above, which one does NOT fit this definition of a carbohydrate?

The correct option is B IIAccording to the general formula given in the question, II does not fit in the equation as it has 2 carbon atoms, 4 hydrogen atoms but only 1 oxygen atom.So, the correct answer is 'ii'.

One way of defining or identifying carbohydrates is to say that they can be described by the general formula, $C_{m} (H_{2} O)_{n}$ , where m and n may or may not be the same integer.
Of the four structures displayed in the figure above, which one does NOT fit this definition of a carbohydrate?

The correct option is B II
According to the general formula given in the question, II does not fit in the equation as it has 2 carbon atoms, 4 hydrogen atoms but only 1 oxygen atom.

So, the correct answer is 'ii'.