📚NCERT Questions — CBSE12
175 solved questions with detailed explanations
Which of the following is a characteristic of amylose?
Reduction of amides with lithium aluminium hydride (LiAlH4) yields:
Glucose reacts with hydroxylamine to form an oxime and adds a molecule of hydrogen cyanide to give cyanohydrin. These reactions confirm the presence of a:
Which of the following compounds will undergo Aldol condensation?
What is the primary definition of carbohydrates based on their chemical structure?
Carboxylic acids react with alcohols in the presence of a mineral acid catalyst to form:
Which polysaccharide is known as 'animal starch' due to its storage function in animals and its highly branched structure?
An amine where all the alkyl or aryl groups attached to the nitrogen atom are the same is called a:
Which of the following reactions is used as a test for primary amines and produces foul-smelling substances?
Which two hormones are mentioned as regulating blood glucose levels?
What is the IUPAC name for the compound CH₃CH₂CH₂CHO?
Which of the following is NOT explicitly mentioned as a complex biomolecule that living systems are made up of in the introductory section?
Which of the following carbohydrates is a reducing sugar?
What is the name of the reaction where the diazonium group is replaced by a hydroxyl group by allowing the diazonium salt solution to rise to 283 K?
Arrange the following compounds in increasing order of their acid strength: CH₃COOH, FCH₂COOH, ClCH₂COOH, BrCH₂COOH.
When glucose is oxidised with nitric acid, it yields saccharic acid. What does this reaction indicate about the structure of glucose?
What is the product of the reaction between aniline and bromine water at room temperature?
According to the chemical definition provided, carbohydrates are optically active polyhydroxy compounds that are either aldehydes or ketones, or compounds which produce such units upon what process?
A carbohydrate that cannot be hydrolysed further to give simpler units of polyhydroxy aldehyde or ketone is called a:
Among ethanal, propanal, propanone, and butanone, which compound is expected to be most reactive towards nucleophilic addition reactions?