NEET UG Amines — practice questions
57 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice NEET UG Amines in the app →Per NCERT §3.7.1(a), the COVALENT RADIUS of a non-metal atom is defined as which quantity?Among Li, Na, K, Cs, the element with the highest first ionisation enthalpy is:Among ammonia, methylamine, aniline, the most basic in aqueous solution is:Acylation of methylamine $CH_3NH_2$ with acetyl chloride $CH_3COCl$ on the lab bench gives:Aniline treated with $NaNO_2/HCl$ at $0-5^\circ$C on the lab bench gives:In the Sandmeyer reaction, benzenediazonium chloride reacts with $CuCl$ on the lab bench to give:Amines are derived by replacing hydrogen atoms of which molecule?Amines are classified as primary, secondary and tertiary according to the number of:The nitrogen orbitals in amines are hybridised in which way?The geometry of an amine molecule is described as:Lower aliphatic amines dissolve in water because they can form:Which synthesis is used for the preparation of primary amines?Which amines have no intermolecular association through hydrogen bonding?Intermolecular association through hydrogen bonding is greatest in which amines?Compared with amines, alcohols of similar mass are described as being:Which reagent is also known as Hinsberg's reagent?The carbylamine reaction produces isocyanides that are described as:Which classes of amine do NOT give the carbylamine reaction?Nitro compounds are reduced to amines by hydrogen gas in the presence of which metals?Why can aromatic primary amines not be made by the Gabriel synthesis?Why does an alkyl group increase the basic strength of an amine?Besides the inductive effect, which effects also influence the basic strength of amines?Aromatic amines react with nitrous acid at low temperature to form:At what temperature range do aromatic amines form diazonium salts?Amines are best regarded as derivatives of:The geometry around nitrogen in an amine molecule is:The C to N to E angle in an amine is less than:In the IUPAC system primary amines are named as:Nitro compounds are reduced to amines by hydrogen over:Reduction of nitro compounds with iron scrap uses which acid?Ammonolysis of alkyl halides is carried out in a sealed tube at:The chief drawback of ammonolysis is that it yields a:In ammonolysis the order of reactivity of alkyl halides is:Nitriles reduced with lithium aluminium hydride give:Reduction of a nitrile gives an amine with how many more carbons?Gabriel phthalimide synthesis is used to prepare only:Aromatic primary amines cannot be made by Gabriel synthesis because:Hoffmann bromamide degradation treats an amide with bromine and:The amine from Hoffmann degradation has how many carbons?Lower aliphatic amines are gases carrying a smell that is:Lower aliphatic amines dissolve in water because they form:Which class of amine has no intermolecular hydrogen bonding?The order of boiling points of isomeric amines is:The pKb value of ammonia is:Aromatic amines are weaker bases than ammonia because the aryl group is:Aniline is a resonance hybrid of how many structures?Which reaction is used as a test for primary amines?Hinsberg's reagent used to tell amines apart is:Aniline with bromine water at room temperature gives:The activating power of the amino group is curbed by:Aniline heated with sulphuric acid finally yields:Aniline fails to undergo the Friedel-Crafts reaction because it:Benzenediazonium chloride is made from aniline and nitrous acid at:Replacing the diazo group by chlorine using a copper one salt is the:Introducing halogen using copper powder and a halogen acid is the:Iodobenzene is obtained by treating the diazonium salt with:Coupling of benzenediazonium chloride with phenol gives: