2E, 5E-3-methyl-2,5-heptadiene 27, 5E-3-methyl-2,5-heptadiene d) 2E, 5Z-5-methyl-2,5-heptadiene e) 27, 52-5-methyl-2,5-heptadiene 14. Which is the structure for...
2. Draw structures of the compound based on the given IUPAC name 1) (2E,5E-N-ethyl-N-methylhepta-2,5-dienamide 2) (1R,2R,3R,5R)-1-ethyl-5-isopropyl-3-methyl-2-(3-methylpentyl)cyclohexane Identify aromatic ring system 3. 2. Draw structures of the compound based on the given IUPAC name 1) (2E,5E-N-ethyl-N-methylhepta-2,5-dienamide 2) (1R,2R,3R,5R)-1-ethyl-5-isopropyl-3-methyl-2-(3-methylpentyl)cyclohexane Identify aromatic ring system 3.
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...
Which of the following compounds can have cis and trans isomers? 2-Methyl-2-butene Propene 0 1-Butene 1,2-Dichloro-1-Bu What is the correct molecular formula of 2,4-Diethyltouleno OCHA 0 C₂ H₂2 G H C:oH20 18 Which of the following compounds can have cis and trans isomers? 1-Butene 2-Methyl-2-butene 1,2-Dichloro-1-Butene Propene CH3CHBr2 is obtained from O Reaction of ethyne with one mole of HBr O Reaction of ethyne with one mole of Br2 Reaction of ethyne with two moles of Br2 Reaction of ethyne...
26) Name the following compound. CH3 H2C=CH-CH2CHCH: A) 1,1-dimethyl-3-butane B) 4-methyl-1-pentene C) hexene D) 2-methyl-4-pentene E) 2-methylpentene 27) Name the following compound. CI A) 2,3,5-trichlorobenzene B) trichlorostyrene C) 1,3,4-trichlorobenzene D) 1,3,4-trichlorohexene E) 1,2,4-trichlorobenzene 28) Identify the formula for an alkene. A) CnH2n+4 B) CnH2n+2 C) CnH2n D) CnH2n-4 E) CnH2n-2 29) Name the following compound. A) 1,4-bromocyclohexene B) 1,4-dibromobenzene C) 3,6-dibromobenzene D) 2,5-dibromobenzene E) 2,5-dibromocyclohexene 30) Name the following compound. CECH CH,CH,CHCH A) 2-ethynebutane B) 3-methyl-1-pentyne C) 3-methyl-4-pentyne D) 3-ethyl-1-butyne...
HELP What is the common UPAC name for the following compound? 1 нс b) 1-methyl-3-cyclohexene d) 1-methyl-4-cyclohexene a) 5 methylcyclohexene c 4 methylcyclohexene Methylcyclohexene e) Which of the following is capable of exhibiting cis-trans isomerism? a) 1-pentene 2. b) 1-butene c) 2- pentene d) Cyclohexene e) Ethene What is the relationship between the following compounds: 3. Н,с a) Conformational isomers b) Constitutional isomers c) Configurational isomer d) Structural isomers e) Positional isomers Which of the following is the most stable...
1. The most stable conformation of trans-3-ethyl-1-iodocyclohexane is a. Et b. C. d Et Et 2. a 3. Which of the following is NOT a resonance structure of ozone? b. a. d. All are valid resonance structures C. 4. Arrange the following bicyclic alkenes in order of increasing stability (least stable to most stable) II II d. Il<lll< C. I<ll<llI b. I<lll<ll a. Ill<ll< 5 What is the correct Lewis structure for CHsNCO? b. No 0 НС H,C- a. d....
1) Draw the structure for each named compound: a) (Z)-N-ethyl-3-bromo-2-isopropyl-5- b) propanoyl chloride methyl-2-hexenamide c) benzoic anhydride d) (R)-3-chloro-4-ethylhexanoic acid e) ethyl 4-methylpentanoate f) pentanenitrile g) cyclohexanecarboxamide h) octyl butanoate 2) Provide an IUPAC name for each structure: b) 9 CH d) CH.CH нс снсон TH Page
Lumili alle for the following compound? - (CH)CHCH.COCH,CH, a. 2-methyl-4-hexanone c. 2-methyl-3-hexanone b. 5-methyl-3-hexanone d. ethyl isopropyl ketonel. 25-Identify the directing effect of the ring substituent in the following reaction: BO, HBO. (a) o.p., activating (b) m-, deactivating (c) o.p., deactivating (d) None of these 26--Ketones are easily reduced to CH3-C-CH3 a-Secondary alcohol b- Primary alcohol c- to acetaldehyde d- to carboxylic acid 27-. What is the structure of the azo group? a-N- b-N-N- C-NEN- d-NEN- 28-What class of organic...
What is the IUPAC name of this structure? OH A. (E)-6-hydroxy-3-methyloct-3-ene B. (E)-6-methyl-oct-5-en-3-ol C. (Z)-6-methyloct-5-en-3-ol D. (Z)-3-hydroxy-6-methyloct-5-ene Which is the major product of this reaction? NaOB Br OH wi он Br A B C D А B С OD
10. Which of the following roduct, if any, is not a heterocyclic amine? CHE HCNN Ho all of them are heterocyclic amines i Cho OH HOH OH LCH, HOW N & CH₂ IN-CH HO (e) (b) 11. What is the IUPAC har is the IUPAC name of the following compound pound? OOH 9 TOH OH 9 hydroxy-1.4-dimethyl-5-oxohexanoic acid hydroxy-2-methyl-5-oxohexanoic acid (d) 2-hydro ydroxy-2,5-dimethyl-6-oxoheptanoic acid 2-hydroxy-1-methyl-4-oxopentanoic acid (e) 3-hydrox 3-hydroxy-2,5-dimethyl-5-oxohexanoic acid O 3-hydroxy-2,5-dimethy 12. Predict the product/s, the product/s, if any,...