Objective Questions

Questions (2006)

#	Question	Topic	Actions
401	There are 8 isomers that have the molecular formula C5H11Br. How many of these …	Practice Questions	View
402	Which of the following is the best leaving group?	Practice Questions	View
403	Which of the following statements is correct for a saturated alkyl halide?	Practice Questions	View
404	Which of the following best describes the carbon-chlorine bond of an alkyl chlo…	Practice Questions	View
405	Which of the following is a secondary alkyl halide?	Practice Questions	View
406	How should CH3CHClCH2CH3 be classified?	Practice Questions	View
407	Which of the following will have the lowest boiling point?	Practice Questions	View
408	Which of the following is not correct concerning substitution and elimination r…	Practice Questions	View
409	Which of the following statements concerning SN2 reactions of alkyl halides is …	Practice Questions	View
410	Which of the following correctly reflects relative stabilities of carbocations?	Practice Questions	View
411	Which of the following species is most reactive in a SN2 reaction?	Practice Questions	View
412	Which is the strongest acid?	Practice Questions	View
413	Which of the following is the strongest nucleophile in an aqueous solution?	Practice Questions	View
414	Which of the following is the best nucleophile in water?	Practice Questions	View
415	Which of the following compounds will undergo an SN2 reaction most readily?	Practice Questions	View
416	Which of the following is the rate law for SN1 mechanisms?	Practice Questions	View
417	Which of the following factors has no effect on the rate of SN1 reactions?	Practice Questions	View
418	Which is the most reactive alkyl halide in a SN1 reaction?	Practice Questions	View
419	Which of the following halides is most reactive in an E2 reaction with sodium m…	Practice Questions	View
420	Which of the following halides is least reactive in an E2 reaction with sodium …	Practice Questions	View
421	Dehydrohalogenation of 2-bromobutane in the presence of a strong base proceeds …	Practice Questions	View
422	Predict the two most likely mechanisms for the reaction of 2-iodohexane with so…	Practice Questions	View
423	Predict the two most likely mechanisms which occur when 2-iodohexane is heated …	Practice Questions	View
424	Grignard reagents do not show any reaction with	Practice Questions	View
425	The Grignard reagent, CH3CH2MgBr, can be used to prepare	Practice Questions	View
426	Which is the best reagent to accomplish the following conversion?	Practice Questions	View
427	What is the major product of the following reaction?	Practice Questions	View
428	Ethylmagnesium iodide reacts with formaldehyde to give a product which on acid-…	Practice Questions	View
429	Ketones react with Grignard reagents to form an addition product which on hydro…	Practice Questions	View
430	Which of the following compounds will react with methylmagnesium bromide to giv…	Practice Questions	View
431	Phenylmagnesium bromide reacts with acetaldehyde to form an addition product wh…	Practice Questions	View
432	Which of the following alcohols can be prepared by the reaction of methyl forma…	Practice Questions	View
433	The number of structural isomers of alcohols with molecular formula C3H7OH is	Practice Questions	View
434	The number of structural isomers of alcohols with molecular formula C4H9OH is	Practice Questions	View
435	Why do alcohols have boiling points much higher than hydrocarbons of similar mo…	Practice Questions	View
436	The high boiling points of alcohols, as compared to the corresponding alkanes, …	Practice Questions	View
437	Which of the following has the highest boiling point?	Practice Questions	View
438	Rank the following substances in order of increasing boiling point (lowest → hi…	Practice Questions	View
439	Which of the following compounds is the least soluble in water?	Practice Questions	View
440	Methanol is known as :	Practice Questions	View
441	Rectified spirit is	Practice Questions	View
442	Grain alcohol is another name for	Practice Questions	View
443	Lucas reagents is	Practice Questions	View
444	Lucas test is used to determine the type of	Practice Questions	View
445	Which of the following gives positive Iodoform test :	Practice Questions	View
446	Which of the following reagents will replace –OH group by a halogen atom?	Practice Questions	View
447	The compound which reacts most readily with Lucas reagent is	Practice Questions	View
448	Which of the following compounds reacts slowest with Lucas reagent at room temp…	Practice Questions	View
449	Which of the following compounds will react fastest with Lucas reagent?	Practice Questions	View
450	Which of the following compounds reacts fastest with HBr?	Practice Questions	View
451	When ethanol is treated with sodium metal :	Practice Questions	View
452	Which of the following alcohols will give a yellow precipitate of iodoform with…	Practice Questions	View
453	Ethyl alcohol can react with concentrated H2SO4 to give	Practice Questions	View
454	Ethanol on heating with concentrated H2SO4 at 170°C gives	Practice Questions	View
455	The major product of acid-catalyzed dehydration of 2-butanol is :	Practice Questions	View
456	Which is the best reagent for carrying out the following conversion?	Practice Questions	View
457	Which of the following reaction mixtures will give an organic product which is …	Practice Questions	View
458	Hydroboration-oxidation of propene gives :	Practice Questions	View
459	Hydroboration-oxidation of 2-Methylpropene gives	Practice Questions	View
460	Which of the following compounds will not be easily oxidized?	Practice Questions	View
461	Which of the following is most resistant to oxidation?	Practice Questions	View
462	Oxidation of a primary alcohol with produces	Practice Questions	View
463	Oxidation of a secondary alcohol with K2Cr2O7/H+ produces	Practice Questions	View
464	Isopropyl alcohol can be converted to acetone by treatment with	Practice Questions	View
465	Which of the bonds in Ethyl alcohol (CH3CH2OH) will undergo heterolytic bond fi…	Practice Questions	View
466	The mechanism of dehydration of an alcohol to give an alkene involves formation…	Practice Questions	View
467	The mechanism of dehydration of an alcohol to give an ether involves formation …	Practice Questions	View
468	The acid-catalyzed dehydration mechanism for alcohols is best described as a(n)…	Practice Questions	View
469	When ethanol is heated with concentrated H2SO4, a gas is produced. Which of the…	Practice Questions	View
470	What is the functional group in an alcohol?	Practice Questions	View
471	What is the IUPAC name for the following structure? CH3CH(CH3)CH2CH(OH)CH3	Practice Questions	View
472	Explain why the water molecule has a bent shape and a bond angle less than 109.…	Practice Questions	View
473	Which of the following compounds does not have the molecular formula C6H14O?	Practice Questions	View
474	Which of the following is a secondary alcohol?	Practice Questions	View
475	Which of the following is sec-butyl alcohol?	Practice Questions	View
476	What is the hybridization of the oxygen atom in CH3CH2OH?	Practice Questions	View
477	Where are the two lone pairs of electrons of the oxygen atom in an alcohol mole…	Practice Questions	View
478	What is the strongest intermolecular force present in liquid ethanol?	Practice Questions	View
479	Which of the following is the best method for preparing CH3Br?	Practice Questions	View
480	Which of the following reagents can be used to oxidize 1° alcohols to aldehydes?	Practice Questions	View
481	In cold countries ethylene glycol is added to water in car radiators. This help…	Practice Questions	View
482	Ethylene oxide undergoes acid-hydrolysis to form	Practice Questions	View
483	Ethylene glycol undergoes oxidation with hot acidic KMnO4 to form :	Practice Questions	View
484	Ethylene glycol reacts with excess of PCl5 to give	Practice Questions	View
485	1,2-Ethanediol reacts with anhydrous zinc chloride to form	Practice Questions	View
486	When ethylene glycol is heated with concentrated HNO3, it forms	Practice Questions	View
487	Which of the following is used as an antifreeze?	Practice Questions	View
488	When glycerol is heated with oxalic acid at 260°C, it gives	Practice Questions	View
489	When glycerol is heated with potassium hydrogen sulfate (KHSO4), it forms	Practice Questions	View
490	Glycerol on warming with a small amount of hydriodic acid gets converted to	Practice Questions	View
491	When glycerol is treated with a mixture of concentrated HNO3 + H2SO4, it forms	Practice Questions	View
492	In the manufacture of dynamite, one of the chemicals used is	Practice Questions	View
493	Which of the following compounds is least soluble in water?	Practice Questions	View
494	Compound (A) reacts with sodium metal to form one mole of H2. The compound (A) …	Practice Questions	View
495	Ethers are	Practice Questions	View
496	Ethanol is isomeric with	Practice Questions	View
497	Diethyl ether and methyl propyl ether are	Practice Questions	View
498	The reaction of a sodium alkoxide with an alkyl halide is called	Practice Questions	View
499	Ethyl bromide reacts with sodium methoxide to form	Practice Questions	View
500	Ethyl alcohol reacts with concentrated H2SO4 at 140°C to form	Practice Questions	View

Page 5 of 21

Quick Actions

Practice

Learning Tools

Stats & Progress

Community

Questions (2006)