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Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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PAPER ONE: MULTIPLE CHOICE QUESTIONS Acetylsalicyclic acid commonly called aspirin is a drug widely used in Cameroon. Its structure is 5. TYPE ONE QUESTIONS Questions 1-49 For questions 1-9 choose the letter A-D of the INCORRECT altemative. -OH 1. Carboxylic acids can be prepared by the A) oxidation of its corresponding primary Aspirin can be said to contain the. alcohol using acidified potassium dichromate. B) oxidation of a tertiary alcohol with A. Ester functional group B. Acid functional group C. Benzene ring functional group D. Anhydride functional group potassium permanganate Vil acidiefied C) hydrolysis of a nitrile on boiling with During the reaction of ethanol and ethanoic acid A. either dilute acid or alkali 6. D) oxidation of aldehydres with acidified potassium dichromate the ethanol and ethanoic acıd are mixed in equimolar the reaction takes place room In the reaction CH COOH C H,OH CH,C0OC,H, + H,0 A) the rate of the reaction is slow at room temperature B) the equilibrium can be shifted in favour of the ester when water in removed 2. temperature C. the reaction is a condensation D. hydrogen ions are added The alkali hydrolysis of an C,H, O, can produce CH COOH + CH (CH ),OH В. 7. A. C) it is the OH group of the alcohol that is is called saponification can produce CH,CH,COONA + CH (CH,).CH,OH can produce lost as water. C. D) it is the OH group of the acid that is lost as water. D. CH,CH,CH COO- + CH,CH,CH,OH 3. All the compounds below can be reduced by lithium aluminum hydride in ether This question relates to the oxidation of alcohols A. All oxidation of alcohols end up in the formation of carbondioxide and water 8. EXCEPT which? A. CH,OCH, .C. CH COOH D. CH,OH В. СН CHO B. Carboxylic acids are products of mild oxidation of alcohols Which of the following statements or equation is NOT correct: A. Carboxylic acids react alcohols to form esters. 4. C. The combustion of alcohois is a form of oxidation D. Ketones can be products of oxidation of alcohols B. Esterication is an example of condensation reaction 9. Ethanoic acid is a C. CH,COOH + CH,OH HCOOCH,CH, + H,0 D. . CH,COOH CH,COOCH, + H,0 A. Stronger acid than chloro ethanoic acid B. Weaker acid than methanoic acid C. Weaker acid than benzoic acid D. Stronger acid than propanoic acid CH,OH 353
Transcribed Image Text:PAPER ONE: MULTIPLE CHOICE QUESTIONS Acetylsalicyclic acid commonly called aspirin is a drug widely used in Cameroon. Its structure is 5. TYPE ONE QUESTIONS Questions 1-49 For questions 1-9 choose the letter A-D of the INCORRECT altemative. -OH 1. Carboxylic acids can be prepared by the A) oxidation of its corresponding primary Aspirin can be said to contain the. alcohol using acidified potassium dichromate. B) oxidation of a tertiary alcohol with A. Ester functional group B. Acid functional group C. Benzene ring functional group D. Anhydride functional group potassium permanganate Vil acidiefied C) hydrolysis of a nitrile on boiling with During the reaction of ethanol and ethanoic acid A. either dilute acid or alkali 6. D) oxidation of aldehydres with acidified potassium dichromate the ethanol and ethanoic acıd are mixed in equimolar the reaction takes place room In the reaction CH COOH C H,OH CH,C0OC,H, + H,0 A) the rate of the reaction is slow at room temperature B) the equilibrium can be shifted in favour of the ester when water in removed 2. temperature C. the reaction is a condensation D. hydrogen ions are added The alkali hydrolysis of an C,H, O, can produce CH COOH + CH (CH ),OH В. 7. A. C) it is the OH group of the alcohol that is is called saponification can produce CH,CH,COONA + CH (CH,).CH,OH can produce lost as water. C. D) it is the OH group of the acid that is lost as water. D. CH,CH,CH COO- + CH,CH,CH,OH 3. All the compounds below can be reduced by lithium aluminum hydride in ether This question relates to the oxidation of alcohols A. All oxidation of alcohols end up in the formation of carbondioxide and water 8. EXCEPT which? A. CH,OCH, .C. CH COOH D. CH,OH В. СН CHO B. Carboxylic acids are products of mild oxidation of alcohols Which of the following statements or equation is NOT correct: A. Carboxylic acids react alcohols to form esters. 4. C. The combustion of alcohois is a form of oxidation D. Ketones can be products of oxidation of alcohols B. Esterication is an example of condensation reaction 9. Ethanoic acid is a C. CH,COOH + CH,OH HCOOCH,CH, + H,0 D. . CH,COOH CH,COOCH, + H,0 A. Stronger acid than chloro ethanoic acid B. Weaker acid than methanoic acid C. Weaker acid than benzoic acid D. Stronger acid than propanoic acid CH,OH 353
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