Objective Questions

Questions (1999)

#	Question	Topic	Actions
1201	Which of the following compounds will react with methylmagnesium iodide followe…	Practice Questions	View
1202	Which of the following compounds will react with methylmagnesium bromide to giv…	Practice Questions	View
1203	Phenylmagnesium bromide reacts with acetaldehyde to form an addition product wh…	Practice Questions	View
1204	Which of the following alcohols can be prepared by the reaction of methyl forma…	Practice Questions	View
1205	The number of structural isomers of alcohols with molecular formula C3H7OH is	Practice Questions	View
1206	The number of structural isomers of alcohols with molecular formula C4H9OH is	Practice Questions	View
1207	Why do alcohols have boiling points much higher than hydrocarbons of similar mo…	Practice Questions	View
1208	The high boiling points of alcohols, as compared to the corresponding alkanes, …	Practice Questions	View
1209	Which of the following has the highest boiling point?	Practice Questions	View
1210	Rank the following substances in order of increasing boiling point (lowest → hi…	Practice Questions	View
1211	Which of the following compounds is the least soluble in water?	Practice Questions	View
1212	Methanol is known as :	Practice Questions	View
1213	Rectified spirit is	Practice Questions	View
1214	Grain alcohol is another name for	Practice Questions	View
1215	Lucas reagents is	Practice Questions	View
1216	Lucas test is used to determine the type of	Practice Questions	View
1217	Which of the following gives positive Iodoform test :	Practice Questions	View
1218	Which of the following reagents will replace –OH group by a halogen atom?	Practice Questions	View
1219	The compound which reacts most readily with Lucas reagent is	Practice Questions	View
1220	Which of the following compounds reacts slowest with Lucas reagent at room temp…	Practice Questions	View
1221	Which of the following compounds will react fastest with Lucas reagent?	Practice Questions	View
1222	Which of the following compounds reacts fastest with HBr?	Practice Questions	View
1223	When ethanol is treated with sodium metal :	Practice Questions	View
1224	Which of the following alcohols will give a yellow precipitate of iodoform with…	Practice Questions	View
1225	Ethyl alcohol can react with concentrated H2SO4 to give	Practice Questions	View
1226	Ethanol on heating with concentrated H2SO4 at 170°C gives	Practice Questions	View
1227	The major product of acid-catalyzed dehydration of 2-butanol is :	Practice Questions	View
1228	Which is the best reagent for carrying out the following conversion?	Practice Questions	View
1229	Which of the following reaction mixtures will give an organic product which is …	Practice Questions	View
1230	Hydroboration-oxidation of propene gives :	Practice Questions	View
1231	Hydroboration-oxidation of 2-Methylpropene gives	Practice Questions	View
1232	Which of the following compounds will not be easily oxidized?	Practice Questions	View
1233	Which of the following is most resistant to oxidation?	Practice Questions	View
1234	Oxidation of a primary alcohol with produces	Practice Questions	View
1235	Oxidation of a secondary alcohol with K2Cr2O7/H+ produces	Practice Questions	View
1236	Isopropyl alcohol can be converted to acetone by treatment with	Practice Questions	View
1237	Which of the bonds in Ethyl alcohol (CH3CH2OH) will undergo heterolytic bond fi…	Practice Questions	View
1238	The mechanism of dehydration of an alcohol to give an alkene involves formation…	Practice Questions	View
1239	The mechanism of dehydration of an alcohol to give an ether involves formation …	Practice Questions	View
1240	The acid-catalyzed dehydration mechanism for alcohols is best described as a(n)…	Practice Questions	View
1241	When ethanol is heated with concentrated H2SO4, a gas is produced. Which of the…	Practice Questions	View
1242	What is the functional group in an alcohol?	Practice Questions	View
1243	What is the IUPAC name for the following structure? CH3CH(CH3)CH2CH(OH)CH3	Practice Questions	View
1244	Explain why the water molecule has a bent shape and a bond angle less than 109.…	Practice Questions	View
1245	Which of the following compounds does not have the molecular formula C6H14O?	Practice Questions	View
1246	Which of the following is a secondary alcohol?	Practice Questions	View
1247	Which of the following is sec-butyl alcohol?	Practice Questions	View
1248	What is the hybridization of the oxygen atom in CH3CH2OH?	Practice Questions	View
1249	Where are the two lone pairs of electrons of the oxygen atom in an alcohol mole…	Practice Questions	View
1250	What is the strongest intermolecular force present in liquid ethanol?	Practice Questions	View
1251	Which of the following is the best method for preparing CH3Br?	Practice Questions	View
1252	Which of the following reagents can be used to oxidize 1° alcohols to aldehydes?	Practice Questions	View
1253	In cold countries ethylene glycol is added to water in car radiators. This help…	Practice Questions	View
1254	Ethylene oxide undergoes acid-hydrolysis to form	Practice Questions	View
1255	Ethylene glycol undergoes oxidation with hot acidic KMnO4 to form :	Practice Questions	View
1256	Ethylene glycol reacts with excess of PCl5 to give	Practice Questions	View
1257	1,2-Ethanediol reacts with anhydrous zinc chloride to form	Practice Questions	View
1258	When ethylene glycol is heated with concentrated HNO3, it forms	Practice Questions	View
1259	Which of the following is used as an antifreeze?	Practice Questions	View
1260	When glycerol is heated with oxalic acid at 260°C, it gives	Practice Questions	View
1261	When glycerol is heated with potassium hydrogen sulfate (KHSO4), it forms	Practice Questions	View
1262	Glycerol on warming with a small amount of hydriodic acid gets converted to	Practice Questions	View
1263	When glycerol is treated with a mixture of concentrated HNO3 + H2SO4, it forms	Practice Questions	View
1264	In the manufacture of dynamite, one of the chemicals used is	Practice Questions	View
1265	Which of the following compounds is least soluble in water?	Practice Questions	View
1266	Compound (A) reacts with sodium metal to form one mole of H2. The compound (A) …	Practice Questions	View
1267	Ethers are	Practice Questions	View
1268	Ethanol is isomeric with	Practice Questions	View
1269	Diethyl ether and methyl propyl ether are	Practice Questions	View
1270	The reaction of a sodium alkoxide with an alkyl halide is called	Practice Questions	View
1271	Ethyl bromide reacts with sodium methoxide to form	Practice Questions	View
1272	Ethyl alcohol reacts with concentrated H2SO4 at 140°C to form	Practice Questions	View
1273	Ethers are kept in brown bottles because	Practice Questions	View
1274	Ethers are stored in brown bottles. This is because on exposure to air and ligh…	Practice Questions	View
1275	Ethers can be freed from peroxides by treatment with	Practice Questions	View
1276	Which of the following statements is false?	Practice Questions	View
1277	Ethers react with cold concentrated H2SO4 to form	Practice Questions	View
1278	Which of the following reagents readily react with ethyl methyl ether?	Practice Questions	View
1279	Diethyl ether reacts with sodium metal to give	Practice Questions	View
1280	Diethyl ether on heating with excess concentrated HI gives	Practice Questions	View
1281	Diethyl ether reacts with excess of hot concentrated HI to form	Practice Questions	View
1282	Which is the best reagent to accomplish the following conversion? CH3CH2OCH2CH3…	Practice Questions	View
1283	Which of the following pairs of compounds will not form hydrogen bonds with eac…	Practice Questions	View
1284	The compound with the lowest boiling point is	Practice Questions	View
1285	Which of the following would have the highest boiling point?	Practice Questions	View
1286	Which of the following functional group series is ranked according to increasin…	Practice Questions	View
1287	The following compounds have identical molecular weights. Which would have the …	Practice Questions	View
1288	Cyclic ethers with three-membered ring are called	Practice Questions	View
1289	Ethylene reacts with oxygen in the presence of silver catalyst at 300°C to form	Practice Questions	View
1290	Ethylene oxide reacts with HBr to give	Practice Questions	View
1291	Acid-catalyzed hydrolysis of ethylene oxide yields	Practice Questions	View
1292	The product of the reaction of ethylene oxide with acidic methanol is	Practice Questions	View
1293	Ethylene oxide reacts with ammonia to give	Practice Questions	View
1294	Which of the following is closest to the C–O–C bond angle in CH3–O–CH3?	Practice Questions	View
1295	When dipentyl ether is treated with excess HI, through what type of mechanism(s…	Practice Questions	View
1296	Which of the following is not a property of thiols (RSH)?	Practice Questions	View
1297	Thiols are alcohol analogs in which the oxygen has been replaced by sulfur (e.g…	Practice Questions	View
1298	Which of the following has the lowest boiling point?	Practice Questions	View
1299	Which of the following is least soluble in water?	Practice Questions	View
1300	n-Butyl bromide reacts with NaSH to give	Practice Questions	View

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Questions (1999)