Single Choice

Complete hydrolysis of starch gives:

Aglucose and galactose in equimolar amounts
Bgalactose and fructose in equimolar amounts
Cglucose only
Correct Answer
Dglucose and fructose in equimolar amount

Solution

Starch is a polymer of $$\alpha-D-$$glucopyranose.
Complete hydrolysis of starch gives glucose only.
$$\underset {starch} {(C_6H_{10}O_5)_n} + nH_2O \xrightarrow [393K,2-3atm] {dil H_2SO_4} \underset {glucose} {nC_6H_{12}O_6}$$

SIMILAR QUESTIONS

Biomolecules

Synthesis of each molecule of glucose in photosynthesis involves:

Biomolecules

Which of the following treatment will convert starch directly into glucose?

Biomolecules

Credit balance shown by a bank column in cash book is ______.

Biomolecules

The sequence from $$(A)$$ to $$(D+E)$$ is called:

Biomolecules

What happens when $$S-$$ glucose is treated with the following reagents? $$HNO_{3}$$

Biomolecules

starch undergose hydrolysis is presence of mineral acids to

Biomolecules

Select the carbohydrate which gives only glucose on hydrolysis:

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