Objective Questions

Questions (1999)

#	Question	Topic	Actions
201	How many equivalents of H2 are required to fully hydrogenate an alkyne to an al…	Alkynes: Structure, Bonding, and Nomenclature	View
202	What is the product of ozonolysis (O3 followed by H2O) of 2-butyne (CH3C≡CCH3)?	Alkynes: Structure, Bonding, and Nomenclature	View
203	Why do alkynes react with bromine (Br2) but alkanes do not under normal conditi…	Alkynes: Structure, Bonding, and Nomenclature	View
204	What is the product when propyne (CH3C≡CH) reacts with one equivalent of HBr?	Alkynes: Structure, Bonding, and Nomenclature	View
205	Which of the following bases is strong enough to deprotonate a terminal alkyne …	Alkynes: Structure, Bonding, and Nomenclature	View
206	What is the common name for propyne?	Alkynes: Structure, Bonding, and Nomenclature	View
207	What type of hybridization change occurs when an alkyne is hydrogenated to an a…	Alkynes: Structure, Bonding, and Nomenclature	View
208	What is the product of the reaction of sodium acetylide (HC≡CNa) with 1-bromopr…	Alkynes: Structure, Bonding, and Nomenclature	View
209	Which of the following alkynes is also known as dimethylacetylene?	Alkynes: Structure, Bonding, and Nomenclature	View
210	What is the product when 2-butyne is treated with excess Br2?	Alkynes: Structure, Bonding, and Nomenclature	View
211	Which of the following is a valid method to prepare an alkyne from a vicinal di…	Alkynes: Structure, Bonding, and Nomenclature	View
212	What is the product of the reaction of ethylmagnesium bromide (CH3CH2MgBr) with…	Alkynes: Structure, Bonding, and Nomenclature	View
213	What is the IUPAC name for HC≡C-CH2-CH3?	Alkynes: Structure, Bonding, and Nomenclature	View
214	Why are internal alkynes generally more stable than terminal alkynes?	Alkynes: Structure, Bonding, and Nomenclature	View
215	What is the product when a terminal alkyne is treated with Cu2Cl2 in NH4OH?	Alkynes: Structure, Bonding, and Nomenclature	View
216	What is the molecular formula of a cyclic alkyne with 5 carbons?	Alkynes: Structure, Bonding, and Nomenclature	View
217	Which of the following reactions is used to synthesize higher alkynes from lowe…	Alkynes: Structure, Bonding, and Nomenclature	View
218	What is the boiling point trend of alkynes compared to alkanes of similar molec…	Alkynes: Structure, Bonding, and Nomenclature	View
219	What is the common name for HC≡C-CH2-CH2-CH3?	Alkynes: Structure, Bonding, and Nomenclature	View
220	What is the product of the reaction of 2-butyne with H2/Lindlar's catalyst?	Alkynes: Structure, Bonding, and Nomenclature	View
221	What type of compound is formed when an alkyne undergoes ozonolysis with reduct…	Alkynes: Structure, Bonding, and Nomenclature	View
222	What is the key difference in reactivity between terminal and internal alkynes …	Alkynes: Structure, Bonding, and Nomenclature	View
223	What is the pKa of water compared to a terminal alkyne?	Alkynes: Structure, Bonding, and Nomenclature	View
224	What is the major product of the addition of one equivalent of HCl to propyne?	Alkynes: Structure, Bonding, and Nomenclature	View
225	What is the major product when 2-butyne is hydrated with HgSO4/H2SO4?	Alkynes: Structure, Bonding, and Nomenclature	View
226	Which of the following is a test for unsaturation that alkynes fail to pass?	Alkynes: Structure, Bonding, and Nomenclature	View
227	What is the structure of a vicinal dihalide used to prepare an alkyne?	Alkynes: Structure, Bonding, and Nomenclature	View
228	Which statement about the carbon-carbon triple bond is FALSE?	Alkynes: Structure, Bonding, and Nomenclature	View
229	What is the functional group of an amine?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
230	What is the IUPAC name for CH3CH2CH2NH2?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
231	Which of the following is a secondary amine?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
232	What is the common name for (CH3)3N?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
233	What type of amine is aniline (C6H5NH2)?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
234	Which method involves the reaction of an alkyl halide with excess ammonia to fo…	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
235	For the ammonolysis of alkyl halides to proceed efficiently via SN2, the alkyl …	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
236	What is the product of the reduction of a nitrile (R-C≡N) with LiAlH4?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
237	Reduction of nitroalkanes (R-NO2) with Sn/HCl produces:	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
238	Which reagent is commonly used to reduce amides to amines?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
239	The carbylamine test (isocyanide test) is used to detect:	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
240	In the carbylamine reaction, what is the product when methylamine reacts with C…	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
241	What type of hybridization does the nitrogen atom have in a typical amine?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
242	Which of the following amines has the highest boiling point for a similar molec…	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
243	Why are amines soluble in water?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
244	What is the product when a primary amine reacts with nitrous acid (HNO2)?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
245	What is the product when a secondary aliphatic amine reacts with nitrous acid (…	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
246	Tertiary aliphatic amines react with nitrous acid to form:	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
247	Why are aliphatic amines stronger bases than aromatic amines like aniline?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
248	Which of the following is the strongest base?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
249	What is the approximate pKb range for aliphatic amines?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
250	What is the product of the reaction between an amine and a carboxylic acid?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
251	What is the IUPAC name for (CH3CH2)2NH?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
252	In the Gabriel synthesis, phthalimide is used to prepare:	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
253	What is the product of exhaustive methylation of a tertiary amine with excess C…	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
254	Which of the following is NOT a typical physical property of amines?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
255	What is the Hofmann elimination?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
256	Which reducing agent is commonly used in reductive amination of aldehydes/keton…	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
257	In reductive amination, a ketone reacts with a primary amine to form, after red…	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
258	What is the smell associated with most amines?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
259	Which of the following correctly orders boiling points for similar molecular we…	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
260	Why are aromatic amines weaker bases than aliphatic amines?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
261	Which substituent on aniline would increase its basicity?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
262	What is the product of the reaction of ethylamine with HCl?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
263	The reaction of an amine with an acid chloride yields:	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
264	Which of the following amines is a gas at room temperature?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
265	What is the IUPAC name for C6H5-NH-CH3?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
266	Quaternary ammonium salts have the general formula:	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
267	What is the common name for CH3CH2NH2?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
268	Which of the following statements about amine basicity is TRUE?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
269	What is the product when a 1° amine is treated with excess CH3I (methyl iodide)?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
270	What is the functional group interconversion in the reduction of an amide with …	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
271	Which of the following is an example of a heterocyclic amine?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
272	What is the major product when a tertiary amine oxide is heated?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
273	Which of the following is NOT a method of preparing primary amines?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
274	What is the product when an aromatic primary amine (aniline) is treated with ni…	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
275	Which of the following is the strongest base in aqueous solution?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
276	What is the pKb of ammonia?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
277	Which of the following is a 4° (quaternary) ammonium salt?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
278	In the Gabriel synthesis, which reagent is used to alkylate phthalimide?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
279	What is the product of the reaction between an aliphatic primary amine and chlo…	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
280	Secondary and tertiary amines can be distinguished from primary amines by:	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
281	What is the common name for (CH3)2CH-NH2?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
282	Which functional group is produced when a primary amine reacts with a ketone in…	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
283	Which of the following amines will NOT react with Hinsberg reagent (benzenesulf…	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
284	What is the product of Hofmann degradation (Hofmann rearrangement) of an amide?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
285	Which of the following is a quaternary ammonium hydroxide that upon heating und…	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
286	What is the characteristic odor of isocyanides (carbylamines)?	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
287	Which of the following correctly represents the basicity order of amines in aqu…	Fundamentals of Amines: Nomenclature, Isomerism, and Synthesis	View
288	Which of the following is NOT a carboxylic acid derivative?	Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions	View
289	What is the general reaction mechanism for carboxylic acid derivatives?	Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions	View
290	What is the IUPAC name for CH3CH2COCl?	Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions	View
291	Which reagent is commonly used to convert a carboxylic acid into an acid chlori…	Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions	View
292	What is the product of the reaction of a carboxylic acid with PBr3?	Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions	View
293	How is a symmetrical acid anhydride prepared from a carboxylic acid?	Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions	View
294	What is the common name for CH3COOCH2CH3?	Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions	View
295	What is the IUPAC name for methyl propanoate?	Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions	View
296	In ester nomenclature, the name consists of:	Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions	View
297	What is the product of the reaction of an acid chloride with NH3?	Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions	View
298	What is the product when an acid chloride reacts with a primary amine (RNH2)?	Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions	View
299	What is the IUPAC name for benzoyl chloride (C6H5COCl)?	Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions	View
300	What is the product of the reaction of an acid chloride with an alcohol in the …	Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions	View

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Questions (1999)