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- 18. How many isomers does dichlorocyclobutane have? Consider both constitutional isomers and stereoisomers! A.2 B. 3 C. 4 D. 5 E. 64 (a) Compound D undergoes a reaction with hydrogen bromide, HBr to produce 2-bromobutane. D exists as cis-trans isomers and decolourises bromine solution in methylene chloride, CH2Cl2 Sebatian D mengalami tindak balas dengan hidrogen bromida, HBr untuk menghasilkan 2-bromobutana. D wujud sebagai isomer cis-trans dan memudarkan larutan bromin dalam metilena klorida, CH,Cl2 (1) Draw and name the structure of compound D. Lukis dan namakan struktur sebatian D.1. Write a reaction showing how the compound ethanoic propanoic anhydride is prepared. Draw and name all constituional isomers of a compound having the molecular formula C4H&O2. 2.
- Isotretinoin is a retinoid derivative of vitamin A used in the treatment of severe recalcitrant acne. What is the degree of substitution of the encircled alkene functional group in its structure? ... А tetrasubstituted B) trisubstituted c) monosubstituted D disubstitutedDefine number of sigma bonds in 4-methyl-pentene-2. Select one:a. 17b. 14c. 13d. 15a. The following compounds have the same molecular formula as benzene. How many monobrominated products could each form? 1. HC‚CC‚CCH2CH3 2. CH2“CHC‚CCH“CH2 b. How many dibrominated products could each of the preceding compounds form? (Do not include stereoisomers.) c. How many dibrominated products could each of the compounds form if stereoisomers are included?
- Draw and name two different constitutional isomers of C8H16 that have geometric isomers and are named " .... pentenes''. For each constitutional Isomer draw either the E or Z geometric Isomer and Include E or Z In the name.3. Fucoserraten, ectocarpen, and multifidene are sex pheromones produced by marine brown algae. What are their systematic names? and a Fucoserraten Ectocarpen MultifideneQ9. The following structure represent a hydroxylated product of head-to-tail dimer of two isoprene units. This product is A. menthol B. camphor. C. linalool D. thymol Q10. The threshold of a chemical compound as odorant in perfumery is determined by (name four): 1... 2... 3. 4.
- Draw the structure of the ff. aldehydes and ketones. a. 3-chlorobutanal 6. 8,8-dibromo -4-cthylcyclo hexanone C. 2,4-dimetnylpontanone • Draw the structure of the ff. compounds. a. oyclobutanecarboxylic acid b. 3,8-dimcthylpontancdioic acid C. 4-aminopcntanoic acid d. 2-mothylcycloheranecarooxylic acid m- chlorobėnzoic acid5) Compound A reacted with Mg in ether to give B. Compound B is with Ethyl bromide to give Ethyl cyclohexane. What are the structures of A and B?Pg. 297b Ch. 11 problem 21: im confused how examples D & E are constitutional isomers even though they have different molecular formulas.