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Erythrulose is a/an _______

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in Chemistry – Class 12 by (188k points)
Erythrulose is a/an _______

(a) aldotetrose

(b) aldoheptose

(c) ketotetrose

(d) ketoheptose

This question was posed to me in an international level competition.

I'm obligated to ask this question of Biomolecules Carbohydrates topic in chapter Biomolecules of Chemistry – Class 12

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Correct choice is (c) ketotetrose

To explain I would say: Erythrulose is a tetrose carbohydrate (because it contains 4 carbon atoms) with the formula C4H8O4. It has one ketone group and hence belongs to the ketose family.

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