Name the linkage which joins two monosaccharide units.
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Solution and Explanation
Chemical bonds in carbohydrates.
Step 2: Analysis
The oxide linkage formed between two monosaccharides through the loss of a water molecule is the glycosidic linkage.
Final Answer: Glycosidic linkage
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Give one chemical test to distinguish between the following pairs of compounds.
(i) Methylamine and dimethylamine
(ii) Secondary and tertiary amines
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(i) pKb of aniline is more than that of methylamine.
(ii) Ethylamine is soluble in water whereas aniline is not.
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(iv) Although amino group is o– and p– directing in aromatic electrophilic substitution reactions, aniline on nitration gives a substantial amount of m-nitroaniline.
(v) Aniline does not undergo Friedel-Crafts reaction.
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Which one of the following is a disaccharide? \[ \text{Glucose, Lactose, Amylose, Fructose} \]
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