15.23 Which of the following structures exhibit geometric iso- merism? Draw and name the two isomers in each case: (a) CH3-CH,–CH=CH-CH3 (b) CH3 CH3 (с) СН3—С—CH -CH—CH2— СH3З
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- Treatment of cyclohexene with C6H5CHI2 and Zn(Cu) forms two stereoisomers of molecular formula C13H16. Draw their structures and explain why two compounds are formed.Compound A has molecular formula C5H12 and undergoes monochlorination to produce four different constitutional isomers. Draw the structure of compound A.Five isomeric alkanes (A–E) having the molecular formula C6H14 are each treated with Cl2 + hv to give alkyl halides having molecular formulaC6H13Cl. A yields five constitutional isomers. B yields four constitutionalisomers. C yields two constitutional isomers. D yields threeconstitutional isomers, two of which possess stereogenic centers. Eyields three constitutional isomers, only one of which possesses astereogenic center. Identify the structures of A–E.
- Compound X and compound Y are constitutional isomers with the molecular formula C5H10. Compound X possesses a carbon-carbon double bond in the trans configuration, while compound Y possesses a carbon-carbon double bond that is not stereoisomeric:Draw the structure of all compounds that fit the following descriptions. twelve constitutional isomers having the molecular formula C6H12 andcontaining one ringHow many rings and π(pi) bonds are contained in compound A and draw one possible structure for this compound A. Compound A has molecular formula C6H10 and is hydrogenated to a compound having molecular formula C6H12
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- What alkane, with molecular formula C7H16, forms seven monochlorinated products (disregarding stereoisomers) when heated with Cl2?Butylated hydroxytoluene (BHT) is a common preservativeadded to cereals and other dry foods. Its systematic name is 1-hydroxy-2,6-di-tert-butyl-4-methylbenzene (where “tert-butyl”is 1,1-dimethylethyl). Draw the structure of BHT.Draw the structure(s) of all of the alkene isomers, C5H10, that contain a branched chain. Consider E/Z stereochemistry of alkenes.