NEET

Glucose on oxidation with bromine water gives

Hydrolysis of sucrose is called

Glucose gives silver mirror with Tollen’s reagent. It shows the presence of

Which of the following monosaccharide is a pentose ?

Anaemia is caused by the deficiency of vitamin

The change in optical rotation, with time, of freshly prepared solution of sugar is known as

Pick out the one which does not belong to the same family:

Solution

Cellulose is a type of carbohydrate while pepsin, ptyalin and lipase are the enzymes which helps in digestion.

Sucrose on hydrolysis gives

Which of the following does not reduce Benedict’s solution?

Solution

Sucrose, being a non-reducing sugar, does not reduce Benedict’s solution. Remember that fructose has an α-hydroxy ketonic group, which is also reducing group(difference from ordinary ketonic group)

In fructose, the possible optical isomers are

Solution

Fructose has 3 chiral centres and hence number of optical isomers are 2³ = 8

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