Question 4 Rank these alkenes as to stability: CH3 H&C H3C A OA most, C least OC most, B least OA most, B least OC most, A least OB most, A least OB most, C least B CH3 CH3
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- ® Give the IUPAC names of the following alkyl halides: ÇI CH3 CH;CH,CHCHCH3 la) Br (bl (c) CH3 CH;CH;CHCH3 CH;CHCH;CH,CI ÇI (al BrCH,CH;CH,CH2CI If) Br CH3CCH2CH;CI CH3CHCH,CH,CH2CI ČH3Rank the alkenes below from most stable to least stable.TReview TOpics] [References Draw a structural formula for the major product of the reaction shown. CH3 CH3CHCH=CH2 Show product steréochemistry IF the reactant alkene has both carbons of the double bond within a • Do not show stereochemistry in other cases. If the reaction produces a racemic mixture, just draw one stereoisomer. C P opy aste C.
- Rank the following compounds from least to most stable. Least stable Most stableI arther: Chair conformers Monosubstituted rings The A-value for methyl, ethyl, isopropyl, and t-butyl substitution on a cyclohexane ring are 7.1kJ/mol, 7.3 kJ/mol, 9.0kJ/mol, and 18.8 kJ/mol, respectively.. Me Me 1. Et 95:5 95:5 Bu Bu 97:3 9995:5 Build the molecules and use your model to explain why the increased size of the substituent doe- not have a dramatic effect until you reach t-butyl. In other words, is it possible for the first three substituents (methyl, ethyl, and isopropyl) to achieve conformation in which 1,3-diaxial interactions are minimized? mlugiest bn todte has -value: 0 9k.J/mol. Build the molecule in order to deterr8. Which of the following compounds are correctly classified as isomers of each other? A) CH3CH2CH2-NH2 B) CH3-NH-CH2CH3 c) CH;-N-CH3 CH,CH-NH, ČH; D) O a. only A and B O b. only A, B and C O c. only A and C Od. all four are isomers
- O a Oc Which of the following alkenes is the most stable a. b. Od O All of a-d are equally stable d.one 4Pd (CH, CH,),N organohalogen alkeneNone of the above 5 Which of the following statements are comect? 1-Stability of conformation is affected due to torsional strain. Il-Magnitude of torsional strain depends upon, the angle of rotation about C-Cbond. III-In case of solid alkenes the Trans andCsisomershave different physical properties IV In case of solid alkenes the Trans and Cs isomers have the same physical properties I and II Al Pue 1. Il and III 孔曲and V None of the above
