1. The alkanes represent one family of organic compounds a. in which halogens are a major component. b. in which there is at least one double bond between carbons. c. that is composed of carbons singly bended to other carbon and hydrogen. d. in which hydrogens can be bonded to other hydrogens. 2. Which of the following cycloalicanes contains a total of 10 carben atoms? a. 1-ethyl-2-methylcyclononane b. 1-isopropyl-2-methslcycloheptane c. 1-uethyl-2-ethyicyclolieptane d. methylcyolodecane 3. Which of the following statements is falue? a. Cyclobutane has 109.5' bond angles like all alkanes. b. There are five ispmen of C4HA : c. cis- and trans-isomers are possible for 3-methyl-2-pentene. d. All statements are trut. 4. Which of the following is not a valid IUPAC name of an alkane? a. 2,3,4-trimethy lhexane b. I-butyl2-etbylgolopentant c. I-ethy1-2butylpentane d. S.butvl-2-methylnename 5. Identify a difference between alkyoes and alkenes. a. Alkenes are insoluble sn water, whereas allines are soluble in water. b. Alkenes have bigher melting and boiting poins thas alkynes. c. Alkenes are less dense than water, whereas alkyous are denser than waten. f. Aliymes can consame twice as many nules of addition reagnut (ekH2) thas allenea