![CHEM2033 EXAMINATIO .2 (atomic numbers: C-6, Н-1,0-8. C-17, Br-35 ) 1. The IUPAC name of the compound Test/28 (A) 2-methyl, 4-ethyl pentane B) 2-ethyl, 4-methyl hexne (E) 2,4-dimethyl hexane (4ethyl, 2-methylI hexane 2. Which of the following compound has no chiral center 3. The bond angles in methane and ethyne are 4. The most unstable 1,4-dimethyl cyclohexane conformation (D) 3-ethyl,5-methyl hexane (A) 2-butanol (B) 2-chloro butane (C) 1,2-dichloro butane (D) 1,3-dichloro butane (E) 1.,4-dichloro butane (A) 109.5° and 120 (B) 120° and 180 (C) 109.5° and 109.5 (D) 10950 and 120° (E) none of the above H3C H3 5. Bicyclo [3.2.1] octane is: 6. Which of the following compound has four stereo isomers (C) 2-chloro,3-methyl pentane (A) 2-chloro,3-methyl butane (D) 1,3-dichloro butane (B) 2,2-dichloro pentane (E) 1,4-dichloro pentane The most stable conformation of cyclohexane (A) half-boat 7. (D) twist (E) none of the above (B) boat (C) half-chair](http://img.homeworklib.com/questions/3bc1f580-46a5-11eb-a002-91cd00db14ad.png?x-oss-process=image/resize,w_560)
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CHEM2033 EXAMINATIO .2 (atomic numbers: C-6, Н-1,0-8. C-17, Br-35 ) 1. The IUPAC name of the...
17) Which of the following is a secondary halide? A) CICH2CH2C(CH3)3 B) CICH2CH2CH(CH3)2 C) (CH3)2CCICH2CH3 D)...
17) Which of the following is a secondary halide? A) CICH2CH2C(CH3)3 B) CICH2CH2CH(CH3)2 C) (CH3)2CCICH2CH3 D) (CH3)3CCHCICH3 E) CICH2C(CH3)CH2CH3 17) What is the IUPAC name of the compound shown below? нс, CH2CH3 С" A) (15,3S)-1,3-dichloro-l-ethyl-3-methylcyclopentane B) (IR,3S)-1,3-dichloro-1-methyl-3-ethylcyclopentane C) (IR.45)-1,4-dichloro-1-ethyl-4-methylcyclopentane D) (IR,3S)-1,3-dichloro-l-ethyl-3-methylcyclopentane E) (IS3R)-1,3-dichloro-3-ethyl-1-methylcyclopentane 18) What type of intermediate is present in the SN2 reaction of cyanide with bromoethane? A) carbocation B) free radical C) carbene D) carbanion E) This reaction has no intermediate 19) Which of the following alkyl chlorides...
need help with these. thank you in advanced 7) What is the IUPAC name for the...
need help with these. thank you in advanced
7) What is the IUPAC name for the following compound? CHз CI 5 1 CH3-CH-C-CH= CH 5 CHз CHнз A) 3-chloro-1,3,4-trimethyl-1 - penterte B) 4-chloro-4,5-dimethyl-2-hexene C) 3-chloro-1,3,4,4- tetramethyl -1 -butene 3-chloro-2,3,5-trimethyl-4-pentene E) 3-chloro-2,3-dimethyl-4-hexene 13) Name the following compound. C CH CH,CH2CHCH, A) 3-methyl-4-pentyne 3-ethyl-1-butyne C) 2-ethynebutane D) 1-hexyne E) 3-methyl-1-pentyne 16) Name the following compound. CH3-CH2-C-CH3 A) 3-butenal B) 2-methylbutanone 2-methyl-2-ethylbutanone D) 2-butenal E 2-butanone 18) What is the IUPAC name of...
Numbers 2-4 & Thhe other 1 & 2 (Straight Chain Angle). Cylic Angle 1.Propane. 109.5. -...
Numbers 2-4 & Thhe other 1 & 2
(Straight Chain Angle). Cylic Angle
1.Propane. 109.5. -
Butane. 109.5. 90
Pentane 109.5. 108
2. Newman projections: Draw the Newman projections of all of
the different energy levels and label them as staggered or eclipsed
in order from lowest energy to highest.
3. Cyclohexane: Draw both the chair and boat conformation of
1,4-dimethylcyclohexane with the methyl groups as cis and trans for
both conformations. Label your molecules for cis and trans. Tell...
1. How many constitutional Date: utional isomers are possible for the formula CH? 2. The IUPAC...
1. How many constitutional Date: utional isomers are possible for the formula CH? 2. The IUPAC name for A) 6-Ethyl-3,4-dimethylheptane B) 2-Ethyl-4,5-dimethylheptane (C) 3,4,6-Trimethyloctane D) 3,5,6-Trimethyloctane E) 2-(1-Methylpropyl)-4-methylhexane 3. Isopentyl is the common name for which alkyl group? CH3CH,CH,CH- A) CH3 B) CH3CH2CHCH2- CH CH,CHCH,CH- CH; CH3CH2CH- CH.CH CH CH3CCH,— D) E) CH Write structural formula for each of the following (b) 2,2-Dimethyl-3-ethylheptane (a) Neopentyl bromide (c) 4-Methyl-2-penten-2-ol (e) 1,4-Dicyclopropylcyclohexane (d) trans-4-7-Butylcyclohexanol (1) Bicylo[3,1,1 Jheptane Give IUPAC Name for each...
8. What is the IUPAC name of the following compound?
8. What is the IUPAC name of the following compound? a. 2-isopropyl-5-methylpentane b. 5-isopropyl-2-methylpentane c. 2,3,5-trimethylhexane d. 1.2-diisopropylpropane9. What is the IUPAC name of the following compound? a. 1,3-dimethylhexene b. 2,4-dimethyl-2-hexene c. 2,4-dimethyl-1-hexene d. 3,5-dimethyl-4-hexene 10. What is the IUPAC name of the following compound? CH3CH2CH2——C C-CH(CH3)2 a 1-isopropyl-1-pentyne b. 2-methyl-3-heptyne c. 6-methyl-4-heptyne d. isopropyl propyl ethyne
1. What is the IUPAC name for the following compound? CH3 CI CH3-CH-C- CH-CH CH3 CH3...
1. What is the IUPAC name for the following compound? CH3 CI CH3-CH-C- CH-CH CH3 CH3 A) 4-chloro-4,5-dimethyl-2-hexene B) 3-chloro-1,3,4-trimethyl-1-pentene C) 3-chloro-2,3-dimethyl-4-hexene D) 3-chloro-2,3,5-trimethyl-4-pentene E) 3-chloro-1,3,4,4-tetramethyl-1-butene 2. Name the following compound. CH-CH2 CH,CH CH CCH H-CH A) 2,2-diethylpenatane B) 2,2-diethylpentene C) 4-ethyl-4-methyl-5-hexene D) 3-ethyl-3-methyl-1-hexene E) 4-ethyl-4-methylhexane 3. Name the following compound. CH CH CH, CH,CH CC CH CH2CH CH A) 3-butyl-3-propyl-1-pentyne B) 3-butyl-3-propyl-4-pentyne C) 3-ethyl-3-propyl-1-heptyne D) 5-ethyl-5-propyl-6-heptyne E) 3-ethyl-3-butyl-1-hexyne
eneral classification is given to the molecule below? A) primary chloride B) secondary chloride C) tertiary...
eneral classification is given to the molecule below? A) primary chloride B) secondary chloride C) tertiary chloride D) vinyl chloride E) benzyl chloride 12. 13) Which of the following is a geminal dihalide? A) cis-1,2-dibromocyclopentane B) 3,3-dichloropentane C) trans-1,4-diiodocyclohexane D) isobutyl chloride E) 1,3-dibromoheptane 13. 15) Which of the following is a secondary alkyl halide? A) methyl bromide B) isopropyl chloride C)-butyl iodide D) propyl bromide E) isobutyl chloride 14. 17) What is the IUPAC name of the compound shown...
Q11. The correct structure of trans-1-bromo-3-methyl cyclopentane is ...Br (A) (B) -Br Br (C) (D) *Br...
Q11. The correct structure of trans-1-bromo-3-methyl cyclopentane is ...Br (A) (B) -Br Br (C) (D) *Br Q12. The correct order of increasing stability for the following conformations is CH, H Н. Н H H H CH2CH3 H Н CH,CH CH CH3CH2 CH H2C CH, H CH, I II III (A) III < III (C) II <I<III (B) I<III <II (D) I< II < III Q13. Identify the relationship between the following two Newman projections. CH, H НАС. H Н;С. Н...
Page C 1) What functional group is NOT present in the structure below? a. alkyne b....
Page C 1) What functional group is NOT present in the structure below? a. alkyne b. alkene c. ether d. aldehyde e. amine 2) What is the correct IUPAC name for the molecule below? a. 3-tert-butyl-4-methylhexane b. 3-tert-butyl-4-methylpentane c. neononane d. 3.ethyl-2,2,4-trimethylpentane e. 1-ethyl-1-isopropyl-tert-butane 3) Which molecule will have the highest boiling point? tinio 4) How many different constitutional isomers may be formed upon monochlorination with Cly/light of the alkane shown below? 5) How many secondary hydrogen atoms are present...
9. What is the IUPAC name of the product obtained by hydration reaction of the following...
9. What is the IUPAC name of the product obtained by hydration reaction of the following alkene: Name Date tert two Husein ?? A. 2,3-Dimethyl-3-hexanol B. 2,3-Dimethyl-4-sulfatehexene C. 2,3-Dimethi-4-hydroxyhexane D. 2,3-Dimethyl-4-hexanol E. Alkenes do not show hydration reaction revious 7. Write the IUPAC name of following alkane. 8. What is the IUPAC name of the compound below? ce fach OH A. 2-Chloro-6-methylphenol B. 2-Chloro-6-methyl-1-phenol C. 3-Chloro-2-hydroxy-1-toluene D. 1-Chloro-5-methyl-1-hydroxybenzene E. Ortho-Chloro hydroxymethyl benzene
17) Which of the following is a secondary halide? A) CICH2CH2C(CH3)3 B) CICH2CH2CH(CH3)2 C) (CH3)2CCICH2CH3 D) (CH3)3CCHCICH3 E) CICH2C(CH3)CH2CH3 17) What is the IUPAC name of the compound shown below? нс, CH2CH3 С" A) (15,3S)-1,3-dichloro-l-ethyl-3-methylcyclopentane B) (IR,3S)-1,3-dichloro-1-methyl-3-ethylcyclopentane C) (IR.45)-1,4-dichloro-1-ethyl-4-methylcyclopentane D) (IR,3S)-1,3-dichloro-l-ethyl-3-methylcyclopentane E) (IS3R)-1,3-dichloro-3-ethyl-1-methylcyclopentane 18) What type of intermediate is present in the SN2 reaction of cyanide with bromoethane? A) carbocation B) free radical C) carbene D) carbanion E) This reaction has no intermediate 19) Which of the following alkyl chlorides...
need help with these. thank you in advanced
7) What is the IUPAC name for the following compound? CHз CI 5 1 CH3-CH-C-CH= CH 5 CHз CHнз A) 3-chloro-1,3,4-trimethyl-1 - penterte B) 4-chloro-4,5-dimethyl-2-hexene C) 3-chloro-1,3,4,4- tetramethyl -1 -butene 3-chloro-2,3,5-trimethyl-4-pentene E) 3-chloro-2,3-dimethyl-4-hexene 13) Name the following compound. C CH CH,CH2CHCH, A) 3-methyl-4-pentyne 3-ethyl-1-butyne C) 2-ethynebutane D) 1-hexyne E) 3-methyl-1-pentyne 16) Name the following compound. CH3-CH2-C-CH3 A) 3-butenal B) 2-methylbutanone 2-methyl-2-ethylbutanone D) 2-butenal E 2-butanone 18) What is the IUPAC name of...
Numbers 2-4 & Thhe other 1 & 2
(Straight Chain Angle). Cylic Angle
1.Propane. 109.5. -
Butane. 109.5. 90
Pentane 109.5. 108
2. Newman projections: Draw the Newman projections of all of
the different energy levels and label them as staggered or eclipsed
in order from lowest energy to highest.
3. Cyclohexane: Draw both the chair and boat conformation of
1,4-dimethylcyclohexane with the methyl groups as cis and trans for
both conformations. Label your molecules for cis and trans. Tell...
1. How many constitutional Date: utional isomers are possible for the formula CH? 2. The IUPAC name for A) 6-Ethyl-3,4-dimethylheptane B) 2-Ethyl-4,5-dimethylheptane (C) 3,4,6-Trimethyloctane D) 3,5,6-Trimethyloctane E) 2-(1-Methylpropyl)-4-methylhexane 3. Isopentyl is the common name for which alkyl group? CH3CH,CH,CH- A) CH3 B) CH3CH2CHCH2- CH CH,CHCH,CH- CH; CH3CH2CH- CH.CH CH CH3CCH,— D) E) CH Write structural formula for each of the following (b) 2,2-Dimethyl-3-ethylheptane (a) Neopentyl bromide (c) 4-Methyl-2-penten-2-ol (e) 1,4-Dicyclopropylcyclohexane (d) trans-4-7-Butylcyclohexanol (1) Bicylo[3,1,1 Jheptane Give IUPAC Name for each...
1. What is the IUPAC name for the following compound? CH3 CI CH3-CH-C- CH-CH CH3 CH3 A) 4-chloro-4,5-dimethyl-2-hexene B) 3-chloro-1,3,4-trimethyl-1-pentene C) 3-chloro-2,3-dimethyl-4-hexene D) 3-chloro-2,3,5-trimethyl-4-pentene E) 3-chloro-1,3,4,4-tetramethyl-1-butene 2. Name the following compound. CH-CH2 CH,CH CH CCH H-CH A) 2,2-diethylpenatane B) 2,2-diethylpentene C) 4-ethyl-4-methyl-5-hexene D) 3-ethyl-3-methyl-1-hexene E) 4-ethyl-4-methylhexane 3. Name the following compound. CH CH CH, CH,CH CC CH CH2CH CH A) 3-butyl-3-propyl-1-pentyne B) 3-butyl-3-propyl-4-pentyne C) 3-ethyl-3-propyl-1-heptyne D) 5-ethyl-5-propyl-6-heptyne E) 3-ethyl-3-butyl-1-hexyne
eneral classification is given to the molecule below? A) primary chloride B) secondary chloride C) tertiary chloride D) vinyl chloride E) benzyl chloride 12. 13) Which of the following is a geminal dihalide? A) cis-1,2-dibromocyclopentane B) 3,3-dichloropentane C) trans-1,4-diiodocyclohexane D) isobutyl chloride E) 1,3-dibromoheptane 13. 15) Which of the following is a secondary alkyl halide? A) methyl bromide B) isopropyl chloride C)-butyl iodide D) propyl bromide E) isobutyl chloride 14. 17) What is the IUPAC name of the compound shown...
Q11. The correct structure of trans-1-bromo-3-methyl cyclopentane is ...Br (A) (B) -Br Br (C) (D) *Br Q12. The correct order of increasing stability for the following conformations is CH, H Н. Н H H H CH2CH3 H Н CH,CH CH CH3CH2 CH H2C CH, H CH, I II III (A) III < III (C) II <I<III (B) I<III <II (D) I< II < III Q13. Identify the relationship between the following two Newman projections. CH, H НАС. H Н;С. Н...
Page C 1) What functional group is NOT present in the structure below? a. alkyne b. alkene c. ether d. aldehyde e. amine 2) What is the correct IUPAC name for the molecule below? a. 3-tert-butyl-4-methylhexane b. 3-tert-butyl-4-methylpentane c. neononane d. 3.ethyl-2,2,4-trimethylpentane e. 1-ethyl-1-isopropyl-tert-butane 3) Which molecule will have the highest boiling point? tinio 4) How many different constitutional isomers may be formed upon monochlorination with Cly/light of the alkane shown below? 5) How many secondary hydrogen atoms are present...
9. What is the IUPAC name of the product obtained by hydration reaction of the following alkene: Name Date tert two Husein ?? A. 2,3-Dimethyl-3-hexanol B. 2,3-Dimethyl-4-sulfatehexene C. 2,3-Dimethi-4-hydroxyhexane D. 2,3-Dimethyl-4-hexanol E. Alkenes do not show hydration reaction revious 7. Write the IUPAC name of following alkane. 8. What is the IUPAC name of the compound below? ce fach OH A. 2-Chloro-6-methylphenol B. 2-Chloro-6-methyl-1-phenol C. 3-Chloro-2-hydroxy-1-toluene D. 1-Chloro-5-methyl-1-hydroxybenzene E. Ortho-Chloro hydroxymethyl benzene
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