📚NCERT Questions
175 solved questions with detailed explanations
Aniline and other arylamines are usually colourless but get coloured on storage due to:
Which of the following groups, when substituted on an aniline ring, would increase its basic strength?
What is the primary difference between a nucleoside and a nucleotide?
What is the IUPAC name for HCOOH?
In aqueous solution, the basic strength of methyl substituted amines follows the order: (CH3)2NH > CH3NH2 > (CH3)3N > NH3. This order is influenced by:
Which method is preferred for preparing primary amines with an 'ascent of amine series' (one carbon atom more than the starting material)?
Which of the following reagents is used for Rosenmund reduction to convert benzoyl chloride to benzaldehyde?
What happens when amine salts react with a strong base like NaOH?
What is the IUPAC name for the compound CH₃CH₂CH₂CHO?
What is the general formula that was historically used to define carbohydrates?
What type of glycosidic linkage connects the two α-D-glucose units in maltose?
Deficiency of Vitamin B1 (Thiamine) leads to which disease?
Hormones are molecules that act as:
What is the product when benzenediazonium chloride reacts with phenol in a coupling reaction?
Which of the following compounds would have the highest boiling point?
Which of the following compounds will NOT undergo aldol condensation?
What is the product formed when an alkylbenzene, such as toluene, is vigorously oxidized with KMnO₄/KOH?
Why are diazonium salts considered very good intermediates in organic synthesis?
Which of the following disaccharides yields one molecule of glucose and one molecule of fructose upon hydrolysis?
Which pentose sugar is present in DNA molecules?