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Name: 184 12 2 SCHAU - CHEM 12 Organic Chemistry Unit 2 Test Date: Section A - Multiple Choice 1. A ketone is characterized by what functional group? a.-HCHOH b. -H-CO c. -CH-CH-COCH?CH d-CH:CHOCH 2. Hydrolysis of ethers leads to? a Ester b. Aldehydes c. Ketones d. Alcohols 3. Alkenes have the following formula: a. CnH2n-2 b. CnHn-2 c.Cn-Han d. CnHen+2 4. The difference between aliphatic and aromatic hydrocarbons are? a. They both are rings structures b. One is aromatic the other is not b. One is straight chain the other is not d Examples are Butane and Cyclopentane 5. Circle the correct names for the two compounds below? 12 12 a Aromatic e. Hydrocarbons c. Benzyl d. Phenyl 6. Circle only nom-aromatic hydrocarbons: 12 12 7. What do Esters, Amide, Ketones, Aldehydes and Carboxylic acids have in common? a. The have -COH bonds b. They have -C-O bonds c. They have a carbonyl group d. They are polar 8. How many isomers does pentane have? 12 a. 3 b. 5 c. 4 d. 6 e, not listed 9. What process is used to separate mixtures of hydrocarbons based on their boiling points? 12 a. fractional distillation b. hydrogenation C. sublimation d. condensation 10. Alcohols are made by the reduction reaction of what types of compounds? 12 a. Ketones and aldehydes b. Water and alkenesc. Esters and ethers d. Esters and amines 11. What is the other name for butoxy pentane? a. 2-methoxyethane b. phenoxybutene c. isobutylpentyl ether d. butyl pentyl ether 12. In a hydration reaction, an alkyne is converted to what type of compound? 12 a. an amide b. a diol c. an alcohol dan aldehyde 13. Which of the following have the lowest boiling point? 12 a. Pentane b. 2-methybutane c. 2,2-dimethylpropane d. 2-methylpentane 14. Which of the following account for the polar nature of Alcohols, Carboxylic acid and Amides? 12 a. Polar C-OH bonds b. saturated C-N bonds c. Dipole forces d. Hydrogen bonds 15. What two things carboxylic acids and alcohols have in common? 12 a. polarity and hydrogen bonding b. Both are same functional group b. They both can be l", 2° and 30 d. Their chain length and polarity 16. Indicate if the statements on table below are Ture or False: /16 True or False Statement Methanol and Ethene are planer molecules. Eatable Banana flavour is an ether. Amines have higher boiling points than Alcohols. Butane can be converted to an ester. Alkyl halides can react with ammonia to form amides. A carbonyl group consists of a carbon atom double-single bonded to an oxygen. In the trans isomer, the two matching groups are on the opposite side of C=C. Alkenes and Aromatics can react sole via substitution reaction.