📚NCERT Questions

Arrange the following compounds in increasing order of their boiling points: CH₃CH₂CH₂CH₃, H₅C₂-O-C₂H₅, CH₃CH₂CH₂CHO, CH₃CH₂CH₂CH₂OH.

Which of the following reagents are used to test for reducing sugars?

What is the primary stabilizing force for the α-helix and β-pleated sheet structures in proteins?

Which group of vitamins is generally NOT stored in the body and must be supplied regularly in the diet?

A compound gives a positive Tollens' test but does not respond to the iodoform test. Which of the following could be the compound?

Amylopectin, a component of starch, is a branched-chain polymer where branching occurs by which type of glycosidic linkage?

Why was the 'e' dropped from the term 'Vitamine' to form 'Vitamin'?

Which of the following tests is used to distinguish between aldehydes and ketones, producing a bright silver mirror?

The reaction of carboxylic acids with ammonia followed by heating yields which class of compounds?

Why cannot aromatic primary amines be prepared by Gabriel phthalimide synthesis?

What is the IUPAC name for (CH3)2CHNH2?

The sequence of amino acids in a polypeptide chain is referred to as the:

Which of the following reagents is used in Rosenmund reduction for the preparation of aldehydes?

A compound gives a positive Tollens' test but does not respond to Fehling's test. Which of the following could be the compound?

Abnormally low levels of thyroxine can lead to which condition, characterized by lethargy and obesity?

Arrange the following compounds in increasing order of their boiling points: CH₃CH₂CH₂CH₃, H₅C₂-O-C₂H₅, CH₃CH₂CH₂CHO, CH₃CH₂CH₂CH₂OH.

What is the main structural component of plant cell walls?

Why do aldehydes and ketones have higher boiling points than hydrocarbons and ethers of comparable molecular masses?

Which of the following statements is INCORRECT regarding the basicity of amines?

The linkage between two monosaccharide units through an oxygen atom, formed by the loss of a water molecule, is called a: