Answer Happy

Modified True/False (1 mark) Indicate whether the statement is true or false. 1. The reaction of an ester with a strong acid is known as saponification. 2. Butenoic acid contains a carbon-carbon double bond and a carboxyl group. 3. Carbon-carbon double and triple bonds are more reactive than carbon- carbon single bonds. 4. CH4 has a higher melting point than CH3OH. 5. Ethanoic acid is soluble in water, but hexanoic acid is not.
Multiple Choice (1 mark) Identify the choice that best completes the statement or answers the question, An amine is characterized by what functional croup? -CO2CH3 d CHO -NH2 . -OH .CO2H b. C. 7. NaOH Which of the following is an alcohol? a b. 2. a b. When two alcohols undergo a self-condensation, what is formed? liquid alcohol d. an aldehyde akcione an ether an oster c. The compound above is classified as an) alkane d. ketone b. carboxylic acid c. alkene C. aldehyde 10. Which of the following is a secondary alcohol? d. CH3OH b. e. CH3CH2OH a. b. C. What results when a secondary alcohol is oxidized? a kelone an acid an amine no reaction an aldehyde 12. The general formula for a cycloalkane can be represented by which of the following? a CnHn CnH2n b. CnH2n+2 d. CnH2n-2 13. Which of the following classes of organic compounds does not contain oxygen? aldehydes d. ethers b. amines amides amino acids a b. alkanes alkenes Which group of these compounds tends to be the most reactive! alkynes d. aromatics IS. Butane and fluorine gas would react by which of the following? addition C. substitution combustion d. single displacement b.
16. following? The synthesis sequence shown here is best described as which of the 1. 2. 3. a. (1) Dehydration; (2) halogenation; (3) hydrogenation b. (1) Hydrogenation; (2) dehydration; (3) halogenation c. (1) Hydrogenation; (2) halogenation; (3) dehydration d. (1) Halogenation; (2) hydrogenation; (3) dehydration (1) Dehydration; (2) hydrogenation; (3) halogenation 17. How many double bonds would be in one of the resonance structure of aromatic napthalene? e. C. a. b. 5 6 14 12 d. a. c. 18. Which compound is most likely to be a gas at room temperature? propane propanal b. 2-chloropropane d. propanone 19. Which of the following compounds is an isomer of the other three identical molecules? a. C. . b. d. 20. a. Carbon is able to form large numbers of organic compounds because carbon can form 4 bonds b. form single, double and triple bonds form chains, rings, spheres and sheets d. the carbon-carbon bond is very stable all of the above C. e.