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- 4. A student was asked to prepare an alkene X in high yield using any alcohol as starting material CH3 CH,-C -CH=CH, CH3 X He chose 3, 3-dimethylbutan-2-ol (XI) and carried out a dehydration reaction. He was however horrified to note that the only alkene obtained was XII. CH3 OH CH3 CH;-C=C-CH3 conc. H,SO4 CH-CH3 heat CH3 CH3 XI XII i) Explain what went wrong here, and why X could not be formed from 3, 3-dimethylbutan-2-ol. Use structures to help support your answer. ii) Give an equation to show a much better method for preparing X in high yield. 5. Analyze the following structure and write one combination for Grignard reagent and a carbonyl that would give rise to it. CH,-CH,-OHDII F3 Provide the correct IUPAC name for the compound shown here. x F4 4, F5 O= CI-C-CH₂-CH₂-CH3 Question 8 of 20 2- 5- tert- 小 6- F6 () 3- sec- tri iso cyclo di chloro eth pent but prop chlor OIC acid oyl yl an ide 4- F7 W PrtScn F8 Home 4 F9 End F10 PgUp10) For the reaction between isopropyl 1-propyl (or 'n-propyl') ether and HBr, which type of reaction best matches the expected products? A) Acid-catalyzed dehydration B) Nucleophilic substitution reaction C) Ether cleavage reaction D) Nucleophilic addition-elimination reaction
- Assign IUPAC names to the following ketones: || a. CH,CH,CH,CH,CH, -C-CH, || b. CH,CHCH-C-CHCH, CH,CH, CH,CH, C. H,C CH;-C-CH– CH, 一 CH; d.Write down the common (not IUPAC) names of the organic molecules that would be released if this molecule were hydrolyzed: CH2−O−C—(CH2);–CH=CH–CH2–CH=CH—(CH2)4—CH3 CH-O-C-(CH2)14-CH3 O 11 CH2−O−C— (CH2)14 — CH3 Separate each name with a comma. You will find useful information in the ALEKS Data resource. 1 010 Continue O a X 000 Y F8 F9 SubmiConvert propan-2-ol [(CH3)2CHOH] to each compound. You may use any other organic or inorganic compounds.
- 2-1- Pentyne frome bromo Propan. Give The IUPAC Name for the following Compounds CH3 C2 HS 3,ct3CH=CH-CHz -CH3 4 CH),-CH - C =CH CH3 * CH3- -CH2-¢=CH2 CH3 C43 Qn Prefare The Pollowing ComPounds 1. Iso propyl Alcohel from popelene. 3. Acetaldehyde fram Acetylene- from propene- y. 1,2- Di bromo Propan * Iso buty) chloride from Isobutan . -Good Luck- Seanned by TapScanne1. Give UPAC names of the following compounds and idensly the alcohols as primary, secondary or lerliary. (a) CH, (D) HC-CH2-CH-OH HC-C-OH (c) CH CH3 H,C-CH,-CH,-c-OH H,C-CH, CH2 ČH, (d) HO H,C CH, CH-CH C-CH но-сн, 2 Draw chemka shctures npontgbe folowng UPACnaTes 7401Alcohols undergo an oxidation reaction to yield carbonyl compounds on treatment with CrO3. For example, 2-tert-butylcyclohexanol gives 2-tert-butylcyclohexanone. If axial OH groups are generally more reactive than their equatorial isomers, which do you think reacts faster, the cis isomer of 2-tert-butylcyclohexanol or the trans isomer? Explain.
- Of the following substances. What are the products of the reaction between 2-ethyl-3-methyl butanoic acid and secbutyl alcohol? CH3 CH2-CH3 CH3 || cs) CH-CH-CH-COO-CH-CH2-CH3 y H₂O CH3 CH3-CH₂ CH3 11 tn) CH,—CH–CH–COO–CH2-CH-CH3 y H2O CH3 -CH-CH₂-CI CH3 CH₂-CH3 11 qy) CH-CH-CH-COO-CH-CH₂-CH3 y H₂ CH3 CH3-CH₂ CH3 11 da) CH–CH–CH–COO–CH2CH-CH3 y HàReactions: 20) cis-4-bromo, 3-methyl, 2-pentene undergoes chlorination. Name final product. 21) 3-fluoro-1-cyclohexene undergoes hydrogenation. Name final product. 22) 2,3-dimehtyl-3-hexene undergoes hydration. Draw both products. How many hydrogens in the product? 23) trans-1,2-difluoro-ethene undergoes fluorination. Name final product. 24) 1,4-nonadiene undergoes excessive hydrogenation. How many hydrogens in final product? 25) 1-pentyne undergoes one round of chlorination. Draw product. Now this product undergoes a second round of chlorination. Name final product.What is the organic product formed in the following reaction? CGHS-CH=CH-ċ-CH; (CH;CH),ÑH II C3H3-CH,-CH- C,Hs-ÇH-CH-C-CH; (CH;CH);Ñ -CHs (CH;CH);Ñ OH IV o-N(CH2CH3), C3H3-CH=CH- -CHs CgHs-CH=CH-Ċ-CH; (CH;CH),N Select one: O A. IV B. II O C.I D. II