Organic Chemistry Test Study Guide Questions And Correct Answers

describe and compare 3 features of the structure and bonding in the three allotropes of carbon: diamond, graphite, and C60 fullerene {Ans: Diamond is a giant structure that is 3-D. Its bonding angle is 109. graphite is a layered structure and is 2-D. Its bonding angles are 120. Fullerene is a sphere made up of hexagons and pentagons. Its angles vary from 109 to 120. All three are covalent bonds.}which product is formed when CH3CH(OH)CH3 is reacted with acidified potassium dichromate? a) CH3COOCH3 b)CH3CH2CHO c)CH3CH2COOH d)CH3COCH3 {Ans: D) CH3COCH3}which compound forms when hydrogen bromide is added to but-2-ene? a) 2- bromobutane b) 2,3- dibromobutane c) 1- bromobutane d) 1,2- dobromobutane {Ans: A) 2- bromobutane}which substances are possible products of the incomplete combustion of octane? a) carbon dioxide and hydrogen gas b) carbon monoxide and water vapour c) carbon monoxide and hydrogen gas d) methane and hydrogen gas {Ans: b) carbon monoxide and water vapour}which organic molecule is not a structural isomer of pentan-1-ol? a) pentan-2-ol b) 2-methylpentan-2-ol c) 2- methylbutan-2-ol d) pentan-3-ol {Ans: B) 2-methylpentan-2-ol}which compound forms hydrogen bonds in the liquid state? a) C2H5OH b)CHCl3 c) CH3CHO d)(CH3CH2)3N {Ans: A) C2H5OH}which of the