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245 questions found · practise this subject as a set Show 20 · 50 per page

#	Question	Subject and topic	Difficulty
201	What is the shape of the trimethylamine molecule around the nitrogen atom?	Chemistry Structure, classification and nomenclature	Easy
202	Which compound is a secondary amine?	Chemistry Structure, classification and nomenclature	Easy
203	What is the IUPAC name of CH₃NHCH₂CH₃?	Chemistry Structure, classification and nomenclature	Medium
204	Classify 2-methylpropan-2-amine, (CH₃)₃C–NH₂.	Chemistry Structure, classification and nomenclature	Medium
205	What is the IUPAC name of (CH₃)₂N–CH₂CH₂CH₃?	Chemistry Structure, classification and nomenclature	Hard
206	Which test gives a foul-smelling product only with primary amines?	Chemistry Preparation and properties	Easy
207	Which method gives only primary aliphatic amines, free from 2° and 3° amines?	Chemistry Preparation and properties	Easy
208	Which is the strongest base in aqueous solution?	Chemistry Preparation and properties	Medium
209	What mass of methanamine (molar mass 31 g mol⁻¹) is formed from 5.9 g of ethanamide (molar mass 59 g mol⁻¹) b…	Chemistry Preparation and properties	Medium
210	An amine reacts with benzenesulphonyl chloride to give a product that is insoluble in aqueous KOH. What kind …	Chemistry Preparation and properties	Hard
211	At what temperature range is aniline usually diazotised?	Chemistry Diazonium salts	Easy
212	Which reagent converts benzenediazonium chloride into iodobenzene?	Chemistry Diazonium salts	Easy
213	Which product is formed when benzenediazonium chloride is treated with H₃PO₂?	Chemistry Diazonium salts	Medium
214	What is formed when benzenediazonium chloride reacts with phenol in alkaline medium?	Chemistry Diazonium salts	Medium
215	Which sequence is best for preparing fluorobenzene from aniline?	Chemistry Diazonium salts	Hard
216	Which of these is a non-reducing sugar?	Chemistry Carbohydrates	Easy
217	Which polysaccharide is called animal starch?	Chemistry Carbohydrates	Easy
218	Prolonged heating of glucose with HI gives n-hexane. What does this show?	Chemistry Carbohydrates	Medium
219	What is the molar mass of glucose pentaacetate, formed when all five –OH groups of glucose (180 g mol⁻¹) are …	Chemistry Carbohydrates	Medium
220	34.2 g of sucrose (342 g mol⁻¹) is completely hydrolysed. What mass of glucose is formed?	Chemistry Carbohydrates	Hard