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Amides can be converted into amines by the reaction named ______.
Concept: Preparation of Amines
Assertion (A): Bromination of benzoic acid, gives m-bromobenzoic acid.
Reason (R): Carboxyl group increases the electron density at the meta position.
Concept: Chemical Reactions of Amines - Electrophilic Substitution
Arrange the decreasing order of pKb values.
\[\ce{C6H5NH2, C6H5NHCH3, C6H5CH2NH2, CH3NH2, NH3}\]
Concept: Chemical Reactions of Amines - Basic Character of Amines
Arrange the increasing order of solubility in water.
\[\ce{C2H5Cl, C2H5NH2, C2H5OH}\]
Concept: Classification of Amines
Arrange the decreasing boiling point.
\[\ce{CH3COOH, C2H5OH, CH3NH2, CH3OCH3}\]
Concept: Physical Properties of Amines
Write the structural difference between starch and cellulose.
Concept: Classification of Carbohydrates >> Polysaccharides
Which one of the following is a polysaccharide:
Starch, Maltose, Fructose, Glucose
Concept: Classification of Carbohydrates >> Polysaccharides
Define the following term as related to proteins:
Denaturation
Concept: Denaturation of Proteins
What do you understand by the term glycosidic linkage?
Concept: Classification of Carbohydrates >> Disaccharides
What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?
Concept: Chemical Composition of Nucleic Acids
Differentiate between the following:
Fibrous proteins and Globular proteins
Concept: Structure of Proteins
The two strands in DNA are not identical but are complementary. Explain.
Concept: Structure of Nucleic Acids
Which one of the following is a monosaccharide:
starch, maltose, fructose, cellulose
Concept: Classification of Carbohydrates >> Monosaccahrides
What is the difference between acidic amino acids and basic amino acids?
Concept: Biomolecules in the Cell > Proteins >> Amino Acids
Glucose on reaction with HI gives n-hexane. What does it suggest about the structure of glucose?
Concept: Structures of Glucose
Which component of starch is a branched polymer of α-glucose and insoluble in water?
Concept: Preparation of Glucose
Deficiency of which vitamin causes scurvy?
Concept: Classification of Vitamins
What type of linkage is responsible for the formation of proteins?
Concept: Chemical Composition of Nucleic Acids
Write the product formed when glucose is treated with HI ?
Concept: Chemical Composition of Nucleic Acids
Write one example of a Natural polymer.
Concept: Denaturation of Proteins
