Question

372 CHAPTER 11 Introduction to Organic Chemistry Hydrocarbons QUESTIONS AND PROBLEMS 11.3 Alkanes with Substituents LEARNING GOAL With IUPAC names for alanes with substituents and draw the condensed structural formulas and skeletal formulas w hereach of the following pairs represent recte CH, Ở CHỊ CH₂ - CH₂ CH CHỊ & CHỊ CHỊ CH, CH, -CH-CH, CH CH-CH, and CH, CH, CH-CH-CH, 11.14 Give the IUPAC name for each of the following: Сн, CH, -CH-CH2-CH2-CH, b. CH -CH=CH -CH, and 11.12 Indicate whether each of the following pairs represent structural isomers or the same molecule: CH, a. CH-C-CH3 and CH-CH-CHE CH, CH CH2-CH . CH, ---CH2-CH-CH-CH2-CH, CH-CH 11.15 Draw the condensed structural formula for each of the following CH-C2- CH3C CH₂ – CH – CH₃ – CH – CH₃ 11.13 Give the IUPAC name for each of the following CH, a. CH, -C-CH, 33-dimethylpentane .2.3,5-trimethylhexane c. 3-ethyl-2,5-dimethyloctane d. 1-bromo-2-chloroethane 11.16 Draw the condensed structural terms for each of the folering alkanes a. 3-ethylpentane b. 3.ethyl-2-methylheptane e. 4-ethyl-2.2-dimethyloctane d. 2-bromopropane 11.17 Draw the skeletal formula for each of the following 1.3-methytheplane b. ethylcyclopentane c. bromocyclobutane d. 2,3-dichlorhexane 11.18 Draw the skeletal formula for each of the following a. 1-bromo-2-methylpentane b. methylcyclopropane c. ethylcyclohexane d. 4-chlorooctane CH

Answer 1

Answer:-

As we know that the structural isomers are those isomers which same molecular formula but they are differ in their structural formula whereas same molecules having identical molecular formula and structural formula.

1111) (a)Sama malacule 1СИЗ 2CH-CH3 and -methye propone b) Struchural iserars 2- wathyl repans Cиз CH3-CH-M-S M3 and matnyl butane pentare C) Structural isomors and 3- d alimethyl butane methyl pentant -12) a)Strucral isemons CH3 CH3-C-CHg 1 and nathyk buteme propane 3-me 2,2 di (b)Structural isemors CИs amd etsCH-CHH-CH 1, y dinetnyl pentene 2,3 dlinethyl penteme (C) Same molecules and 2- mathyl butene 2- methyl butome

CM3 CИз -?с - 1 CH3 iCH3 2,2 dlimethyl propane (IUPAC Nome 3 dimethyl entame (IUPAC Nan СИa - СHs сиз CHa-C CH-CH- CH 3 ч 2 1 2,2 olimethyl hexane (IUPAC Name) 4- CHCH3 CH CH- 1 CM2 CH2 methyl cyclebutane CEUPAC Nme) CH3 2. 08 3-methyl bentane CИg b)- CH CH CHa 24 limatuyl haptane (IUPAC Name)

CH2-CH3 (C)- CHg-CH-CH-CH 2-CHa CH-CH3 3, di athyl hox ane CIUPAC Name) 1 2 cH3 11 methyl eycloherane CTUPAC Nown) 11-15)(3, 3 diwethyl pemtane 3,3 dmethyl hentane Condensed struchune CH CH CH CH CHa I CH3 I сиз CИg CHa herame Condensed structume CH CH- CH2 CHCH -CH CH- T CM3 СИЗ CM2CH Condensed strichure 3-8thyl-9,5dimethyloctore Br-CH2 CH-el Condensed Shuchune e 1-bromo 2-Chlovothone

CH3-CH2-CHCH2-CHa си- СHЗ (1-16) ) 1 3- nyl pentane CH3 СИ — CM2 CH,- CH3-CH сиz-СHg сз .ityheptans 3-athge-2-metng hep Сиз CH-CHa CH2- CH2-CH3 CH3-C 1 1 CH2-CH3 CM3 thyl-3,2-climathyl octane CH3 CH CH3 l Вy 1H-CEME, H:CHME 2- bromobrobame

-17) (a) 1 1 -C 1 C- H C C - 1 C-H 1 И И - С -и l и 3-methyl heplome Skele tal formula (b) H и H и И и Skolatal for mala eyleyclopentome Br CLAH 9 H C C H И Skaletal Sermula bromacyclobtane H и 1 1 1 C-H C 1 1 l ) H Skaletal tomula 2,3 dichloro herane ICIH I-C

(-16) ) 1 1 1 Br-C C C C C- H 1 1 1 H H H-CIM yl pentene 1- bromo-2-meth methyl eycloprepane CC) И и и enyleycloherons UNIN H - C - C-H C 1 H 1 1 H HeChloro acleme