1st Year Engineering Chemistry Syllabus. We covered all the 1st Year Engineering Chemistry Syllabus MCQs in this post for free so that you can practice well for the exam.
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1st Year Engineering Chemistry Syllabus Objective for Students
In disaccharides, the anomeric carbon of one monosaccharide is bonded to the carbon of another monosaccharide through
(A) Carbon
(B) Nitrogen
(C) Sulphur
(D) Oxygen
Option d – Oxygen
Glucose reacts with alcohol in the presence of dry HCl to give a cyclic hemiacetal. It shows that
(A) Formyl group and hydroxyl group are absent.
(B) Hydroxyl group is present.
(C) Formyl group is present.
(D) Hydroxyl group and formyl group are part of the same molecule.
Option d – Hydroxyl group and formyl group are part of the same molecule
The glycosidic linkage in carbohydrates is
(A) A link between C atoms in a carbohydrate through an oxygen atom formed by the elimination of water.
(B) A link between two carbon atoms in a carbohydrate by a covalent bond.
(C) A link between a carbon atom and an oxygen atom.
(D) A link between a carbon atom and a nitrogen atom.
Option a – A link between C atoms in a carbohydrate through an oxygen atom formed by the elimination of water
Sucrose molecule contains
(A) A glucofuranose and a fructofuranose units.
(B) A glucopyranose and a fructopyranose units.
(C) A glucopyranose and a fructofuranose units.
(D) A glucofuranose and a fructopyranose units.
Option c – A glucopyranose and a fructofuranose units
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