🛠️ JEE🧪 Chemistry

A linear octasaccharide (molar mass \(=1024 ~g mol ^{-1}\) ) on complete hydrolysis produces three monosaccharides: ribo…

Q1

A linear octasaccharide (molar mass \(=1024 ~g mol ^{-1}\) ) on complete hydrolysis produces three monosaccharides: ribose, 2-deoxyribose and glucose. The amount of 2-deoxyribose formed is \(58.26 \%( w / w )\) of the total amount of the monosaccharides produced in the hydrolyzed products. The number of ribose unit(s) present in one molecule of octasaccharide is________.

Use: Molar mass \(\left(\right.\) in g \(\left.mol ^{-1}\right)\) : ribose \(=150,2\)-deoxyribose \(=134\), glucose \(=180\);
Atomic mass (in amu): \(H =1, O =16\)

[JEE Advanced 2025, Paper-2]

a

2

b

6

c

5

d

9

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