1-9 *pg 4-5-Nelson Chem 12 2 Naming alkanes: practice 1&2 *pg 15-16- Nelson Chem 12 3. 5. Name the following organic compounds using the IUPAC system of nomenclature a) C2H5–CCl2–CH=C(CH3)–CH2–CH3 a) 5,5-dichloro-3-methyl-3-heptene b) CH2–CC–C(NO2)–CBr–CH3 | | | C3H7 CH3 CH3 b) 2-bromo-3-nitro-2,3-dimethyl-4-nonyne CH3 C2H5 | | c) C2H5–C(NH2)–CI–CH3 d) CHI2–CBr2–CCl2–CH3 e) CF2=CF2 c) 3-amino-4-iodo-2,3-dimethyl d) 2,2-dibromo-3,3-dichloro- e) 1,1,2,2-tetrafluoroethene hexane 1,1-diIodobutane f) g) CH=C-CH(CH3)-CH3 CH3 NC- Cl h) C3H7 Cl CH-CH3 CH3 Br CH3 f) 3-cyano cis-1,2-di g) cis-1,2-di(2-chlorocyclobutyl) h) 5-bromo-1-cyclopropyl-3-propylmethylcyclopentene -3-methyl-1-butene 4-isopropylcyclohexene i) CH3–CH(NO2)–CH(NO2)–CH(NO2)–C2H5 j) CH3–CH – CH–CH3 k) CH2=CH–CH=CH2 | | ................................................................................................. CH3–CH2 CH2–C2H5 i) 2,3,4-trinitro-2-methylcyclohexane l) H5C2 C2H5 | | CF=CF 3,4 -difluoro. hexane. j) k) 1,3-butadiene n) NH2–(CH2)6– NH2 m) CH3 | CH2=C–CH=CH2 2-methyl-1,3butadienne 3,4-dimethylheptane 1,6 diaminohexane........ *o) (CH3–CHI-CHCl)2–CH–CH3 . 3,5-dichloro-2,6-diIodo-4-methylheptane .........................................................…............................... 6. Draw correct structural diagrams for the following molecules a) c) e) g) i) k) m) o) q) 1-bromo-1-chloro-2-methylpropane 1-bromo-2-nitropentane 3,3-diethyl-4-methy-5-isopropylloctane 2-methyl-1,1-dicyclopropyl-1-propene trans-3,4-dimethyl-3-hexene 3-cyclopropyl-1-pentene 1,2-dicyclopropylethane cis-3,4-diamino-1,3,5-heptatriene 3,3,3-trichloropropene a) CHBrCl–CH(CH3)–CH3 b) d) f) h) j) l) n) p) r) 3-ethyl-2-methylheptane 2,3,3,4-tetramethylhexane cis-2,3-dimethyl-2-butene 4,4-di(2-butyl)nonane 3-methyl-1,4-pentadiene 1,2,3-trimethylcyclobutane 2,5-dichloro-2,5-difluoro-3-hexyne trans-2-pentene 2,3-dinitro-1,3-butadiene b) CH3-CH(CH3)-CH(C2H5)-CH2–CH2-CH2-CH3 c) CH2Br-CH(NO2)-CH2-CH2-CH3 d) CH3-CH2-CH(CH3)-C(CH3)2-CH(CH3)-CH3 CH3-CH-CH3 e) CH3-CH2-C(C2H5) 2-CH(CH3)-CH–CH2-CH2-CH3 CH3 CH3 f) CH3-C = C–CH3 g) C = C(CH3)–CH3 CH3-CH-CH2-CH3 h) CH3-CH2--CH2–C–CH2-CH2–CH2-CH2-CH3 CH3-CH-CH2-CH3 CH3 i) CH3-CH2-C = C–CH2–CH3 j) CH2=CH–CH(CH3)–CH=CH2 CH3 k) CH2=CH–CH–CH2-CH3 n) CH3-CClF–Co l) H3C –CClF–CH3 CH3 m) CH2 – CH2 CH3 o) CH2=CH-C = C–CH=CH-CH3 NH2 NH2 CH3 p) C=C q) CH2=CH2-CCl3 r) CH2=C(NO2)–C(NO2)=CH2 C2H5 7.a) Draw and name the 5 different isomers of hexane b) Draw and name the 7 isomers of C3H4Cl2 a) CH3-CH2-CH2-CH2-CH2-CH3 n-hexane b) CH3-CH(CH3)-CH2-CH2-CH3 2-methylpentane c) CH3-CH2-CH(CH3)-CH2-CH3 3-methylpentane d) CH3-CH(CH3)-CH(CH3)-CH3 2,3-dimethylbutane e) CH3-C(CH3)2-CH2-CH3 2,2-dimethylbutane 7b) 1) 1,1-dichloropropene 3) 3,3-dichloropropene 5) 1,2-dichlorocyclopropane 7) 1,1-dichlorocyclopropane 2) 2,3-dichloropropene 4) trans-1,2-dichloropropene 6) cis-1,2-dichloropropene 8. Draw the structural diagram & name 2 different alkenes isomeric with cyclobutane i) CH2=CH–CH2–CH3 1-butene ii) CH3–CH=CH–CH3 2-butene iii) CH2 = C – CH3 2-methylpropene CH3 Group 2: CARBOHYDRATES - Composed of carbon chains where one or more carbons has been oxidized. These oxygen atoms (and nitrogen atoms) make the carbon based molecule behave differently the functional groups. Molecules that have the same groups of Oxygens/Nitrogens all tend to behave similarly. A) ALCOHOLS: General formula R-OH where R = any group of carbons (pg 38-42-Nelson Chem 12) NAME: name the group of carbons (R) then add the suffix "ol" instead of “e” CH3OH methanol CH3–CH2–OH ethanol CH3-CHOH-CH3 2-propanol wood alcohol Rubbing alcohol grain alcohol -booze CH2–CH2 –CH2 CH3-CH2-CH2–OH 1-propanol (1° alcohol) | | | CH3-CHOH-CH3 2-propanol (2° alcohol) OH OH OH CH3-C(CH3)OH-CH3 2-methyl 2-propanol (3° alcohol) 1,2,3-propantriol glycerol 9. Using the IUPAC rules name the following organic alcohols a) CH3-CH2-CH2–OH propanol b) CH3-CHOH-CH3 2-propanol. c) CH3-C(CH3)OH-CH3 2-methyl-2-propanol d) CH3–CHOH–CH2CH3 e) CH3–C(CH3)2–CH2OH 2-butanol 2,2-dimethyl-propanol f) CH2OH–CH2OH 1,2-ethandiol 10. Using the IUPAC rules draw the following organic alcohols a) cyclobutanol b) 2,3-dimethyl-2-hexanol -OH c) 4,4-dimethyl-1,2-pentandiol CH3-COH-CH(CH3)-CH2 CH3 CH2OH-CHOH-CH2 CH2 C(CH3)2 CH3 CH3 11. i) Write the correct name for each alcohol & ii) Which alcohol is not an isomer of all the others ? & iii) Which alcohols are identical ? a) CH3-C(CH3)2-CH2–OH 2,2-dimethyl-propanol b) C2H5-C(CH3)2–OH 2-methyl-2-butanol. c) C3H7-CHOH-CH3 2-pentanol d) CH3-CH2-CH2-CH2-OH butanol e) C2H5-CH(C2H5)-OH 3-pentanol f) C4H9-CH2-OH 1-pentanol ident g) CH3-CHOH-CH2-CH2-CH3 2-pentanol ident h) CH3-(CH2)3-CH2OH 1-pentanol ident ide 12. Draw the structure of the following benzene derivatives. a) chlorobenzene b) o-iodotoluene c) 3-chlorophenol d) m-nitrobenzaldehyde e) 1,3,5-triethylbenzene f) benzyl alcohol (C6H5CH2OH) g) aminobenzene (aniline) h) 1,4-dimethylbenzene (p-xylene) i) 2,4,6-trinitrotoluene j) 1,3-dibromo-2-phenyl-2-pentene k) 3,5-difluoro-4-isobutylbenzoic acid l) 1-phenylethene (styrene) m) 1,1-di(4-chlorophenyl)-2,2,2-trichloroethane n) 1-phenyl-2-aminopropane ( benzedrine/speed) 13. Using the IUPAC rules name the following organic molecules each containing a functional group a) CH3–CHOH–CH2CH3 b) -OH e) CH(OH)2-CCl3 F- -F d) CH3–C(CH3)2–CH2OH O f) C5H11–O–C4H9 g) CH-CH3 CH3 c) CH2CHClCH2OH h) CH3(CH2)2CHOHCH(C2H5)CH2OH i) CH3CHBr–O–CH2CH2CH2Cl j) CH2=CH-CH=CH-CH=CH-CH2–O–CH3 k) C3H7–O–CH2CH=CH–CHF-CH3 l) -CH-CHO CH3 m) CH3CH(CH3)–CH2CHO p) CH=C-CH2-CO-CH2-CH3 n) CH3CH2CH(C2H5)CH(CH3)CHO o) CH2-CO-CH2 q) CH3-CHF-CH2-CO-CH2-CH3 Br r) CH2Br-CHBr-CH(C6H5)-CO-CH3 s) CH3-C(CH3)2-CH2-COOH t) CH3CHFCH(CH3)CH2COOH u) HOOC–COOH v) H2N COO-CH3 w) CH3-COO-I x) CH3(CH2) 3–COO–(CH2) 3CH3 y) CH3-CH2-COO-CH2-CH(CH3)-CH2-CH3 z) C4H9–NH2 aa) C3H7–N(CH3)–C2H5 ab) CH(CH3)2–NH–CH2-CH2Cl ac) CH3CH2CO–NH2 ad) CH3-CH2-CH2CO–NH–C5H11 ae) NH2CH2COOH (glycine) 13 a) 2-butanol b) 2,3-difluorocyclopropanol q) 5-fluoro-3-hexanone e) 2,2,2-trichloro-1,1-ethandiol r) 4,5-dibromo-3-phenyl-2-pentanone s) 3,3-dimethylbutanoic acid t) 4-fluoro-3-methylpentanoic acid u) ethandioic acid f) butylpentylether v) methyl-3-aminobenzoate g) phenylisopropylether w) 3-iodocyclohexylethanoate h) 2-ethyl-1,3-hexandiol x) butylpentanoate i) 1-bromoethyl-3-chloropropylether y) 2-methylbutylpropanoate j) 2,4,6-heptatrienylmethylether z) butanamine or aminobutane c) 2-chloro-3-cyclobutylpropanol d) 2,2-dimethylpropanol k) 4-fluoro-2-pentenylpropylether aa) ethylmethylpropanamine l) 2-cyclopentylpropanal ab) 2-chloroethyl-2-propanamine m) 3-methylbutanal ac) propanamide n) 3-ethyl-2-methylpentanal ad) N-pentylbutanamide ae) 2-aminoethanoic acid o) 1,3-dicyclohexylpropanone p) cis-2-cyclobutyl-1-(2bromophenyl)-1-hexen-4-one - an amino acid for you biologists 14. Using the IUPAC rules draw the following organic molecules each containing a functional group a) cyclopentanol b) 3-isopropyl-2,3-dimethyl-2-hexanolc) 4,4-dimethyl-1,2-pentandiol d) pentachlorophenol e) 1,2,3-trichloro-4,5,6-trihydroxybenzene f) 1-phenylethanol g) dicyclobutylether h) methyl-2-methylpentylether i) methylphenylether j) 2,4-difluoro-3,4-dimethylpentanal k) 2-ethylhexanal l) 4-hydroxy-3-methoxybenzaldehyde m) 3-cyclopropyl-4-methyl-2-hexanone (vanillin) n) 3-cyclopentenone o) 4,5-dibromo-3-ethyl-2-heptanone p) trichloroethanoic acid q) 2-iodo-6-methyloctanoic acid r) 2-hydroxypropanoic acid (lactic acid) s) cis-butendioic acid t) 3-butenoic acid u) propyl-2-methylbutanoate v) pentyl butanoate w) 3-methylbutyl-3-methylbutanoate x) ethyl-4-aminobenzoate (benzocaine) y) 2-chloroethyl ethanoate z) methyl-2-aminophenylmethanoate aa) ethylbutanamine ab) ethyl,propyl,pentanamine ac) N,N-ethyl,butylpropanamide ad) N,N-diethyl-metatoluamide (DEET) ae) 2-aminopropanoic acid (alanine) af) 2-amino-3-phenylpropanoic acid (phenylalanine) ag) 2-hydroxy-1,2,3-propantricarboxylic acid (citric acid) Reactions involving organic molecules This section deals with the variety of chemical reactions that involve the organic molecules you have just learn to identify 1) They all combust- forming oxides ie C4H10 + 6.5 O2 → 4 CO2 + 5 H2O or H2NC5H10COOH + 9¼ O2 → 6 CO2 + 6½ H2O + NO2 15.a) 3-ethyl-2-methylheptane + O2 (g) b) 2,5-diammino-4-isopropylhexanoic + O2 (g) a) C10H22 + 15.5 O2 → 10 CO2 + 11 H2O b) (NH2)2C8H15COOH + 15 O2 → 9 CO2 + 10 H2O + 2 NO2 2) The alkANEs (fully saturated) tend to undergo SUBSTITUTION reactions producing an alkyl halide ie halogenation with Cl2 or Br2 etc (see pg 24 CHEM 12) Energy CH4 + Cl2 CH3Cl + HCl Energy C2H6 + Br2 C2H5Br + HBr or hf hf *The MECHANISM is“FREE RADICAL” (light sensitive). A “FREE RADICAL” is a high energy unstable molecule because of an unpaired electron. ex: Cl. or .CH3 A) Cl2 → 2 Cl. initiation step B) Cl. + CH4 → .CH3 + HCl chain step 1 C) .CH3 + Cl2 → CH3Cl + Cl. chain step 2 D) 2 Cl. → Cl2 termination step Energy CH4 + Cl2 CH3Cl + HCl hf overall reaction **NOTE: Stability of the carbonyl free radicals is 3° > 2° > 1° . this means that if propane undergoes this type of reaction the only product formed would be 2-chloropropane. CH3– CH2– CH3 + Cl2 → CH3– CHCl – CH3 + HCl 16.(complete & name the product) a) butane + Br2 b) 2-methylbutane +Cl2 c) hexane + I2 d) 3-methylpentane + F2 1° a) 2° 2° 1° butane + Br2 → CH3-CHBr-CH2-CH3 + HBr 2-bromobutane 1° b) 3° 2° 1° 2-methylbutane + Cl2 → CH3-C(CH3)Cl-CH2-CH3 + HCl 2-chloro-2-methylbutane 1° c) 2° 2° 2° 2° 1° hexane + I2 → CH3-CHI-CH2-CH2-CH2-CH3 + → CH3- CH2-CHI-CH2-CH2-CH3 + HI HI 50:50 mixture 2-iodohexane & 3-iodohexane 1° 2° 3° 2° 1° d) 3-methylpentane + F2 → CH3-CH2-C(CH3)F-CH2-CH3 + HF 3-fluoro-3-methylpentane 3) The alkyl halides can undergo an elimination reaction forming an alkene (see pg 36 - CHEM 12) CH3– CHCl – CH3 + OH- (a base) → CH2=CH– CH3 + H2O + Cl- 4) The alkENEs & alkYNEs (unsaturated) are much more reactive because of the π cloud of electrons on top of the double bond and tend to undergo ADDITION reactions across this dble bond. (see pg 25 CHEM 12) C3H6 + Br2 → C3H6Br2 halogenation C3H6 + H2 → C3H8 hydrogenation C3H6 + HCl → C3H7Cl hydrohalogenation C3H6 + H2O → C3H7OH hydration *This MECHANISM is“ELECTROPHYLLIC” (hungry for electrons) – ΔG is very negative H2C = CH2 + Cl:Cl H2C -CH2 + Cl- H2C-CH2 + Cl- H2C -CH2 \ / | + | | attacks the π cloud Cl Cl Cl Cl seeking the 2 electrons **NOTE: Stability of the carbonium ion C+ is 3° > 2° > 1° . this means that if 1-propene undergoes this type of reaction with a hydrogen halide like HCl the only product formed would be 2-chloropropane as the 2° carbon(in the middle) would become C+ and that is where the negative Cl- will attach. This is known as Markovnikov’s Rule (the H attaches to the carbon that already has the most H’s) CH2=CH–CH3 + HCl → CH3– CHCl – CH3 17. i) Do practice exercise #1 (pg 27) , understanding concepts # 2,3,4,5 & 6 ( pg 31) ii) (complete & name the product) #1(pg 27) #1(pg 27) #1(pg 27) #1(pg 27) a) cyclohexene + Cl2 c) 2,2-dimethyl-4-octene + F2 b) 3-methyl-3-hexene +HBr d) 2-methyl-3-pentene + HI CH3-CH=C(C2H5)-CH2-CH3 + H2 → CH3-CHHCH(C2H5)-CH2-CH3 3-ethyl-2-pentene 3-ethylpentane CH3-CH=C(CH3)-CH2-CH3 + HBr → CH3-CHHCBr(CH3)-CH2-CH3 3-methyl-2-pentene 3-bromo 3-methylpentane CH3CH2CH(C2H5)CH=CH2 + H2O → CH3CH2CH(C2H5)CHOHCH3 3-ethyl-1-pentene 3-ethyl-2-pentanol cyclohexene + Cl2 → 1,2-dichlorocyclohexane