All the following statements are true with regards to glucose,except:

It is an aldohexose

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It is a reducing sugar

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It is present in starch and cellulose

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It is apimer of fructose

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Solution

The correct option is A It is an aldohexose
An aldohexose is a hexose with an aldehyde group on one end. The aldohexoses have four chiral centers for a total of 16 possible aldohexose stereoisomers (2^4). Of these, only three commonly occur in nature:D-glucose,D-galactose, and D-mannose.
So, the correct option is 'It is an aldohexose'.

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Similar questions

The correct statements among the following are

A) The minimum number of carbon atoms present in a monosaccharide is 6

B) Among glucose, Lactose, Maltose and Sucrose,non reducing sugar is sucrose

C) In amylopectin of starch, branched chain are due to 1,4 - linkages

D) In cellulose, β - D - glucose units are joined by 1,4 - glycosidic linkages

Q. Identify the incorrect statements among the following.

(a) The relative sweetness of fructose is the maximum and it is a reducing sugar.
(b) The source of lactose is milk and it is reducing sugar
(c) Maltose possesses glycoside bond between one glucose unit and one fructose unit and it is reducing sugar
(d) Glucose possesses aldehyde group and it is a non-reducing sugar
(e) The molecular formula of sucrose is

C_{12} H_{22} O_{11}

and possess glycoside bond between two glucose units.

Which of the following statements is not true about glucose?
(a) It is an aldohexose
(b) On heating with HI, it forms n-hexane
(c) It is present in furanose form
(d) It does not give 2, 4- DNP test

Q. Consider the following statements:
1. The sweetest of all sugar is fructose.
2. The disaccharide present in milk is lactose.
3. Starch is a polymer of glucose.
Which of the statement given above is/are correct?

The correct statements among the following are

A) The minimum number of carbon atoms present in a monosaccharide is 6

B) Among glucose, Lactose, Maltose and Sucrose,non reducing sugar is sucrose

C) In amylopectin of starch, branched chain are due to 1,4 - linkages

D) In cellulose, β - D - glucose units are joined by 1,4 - glycosidic linkages

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