(a)
Interpretation:
The stereo isomeric product should be given when the
Concept introduction:
An alkene undergoes an oxidation reaction with Osmium tetra oxide and followed by hydrolysis to give a cis 1, 2
(b)
Interpretation:
The stereo isomeric product should be given when the alkenes reaction with osmium tetroxide followed by hydrogen peroxide hydrolysis.
Concept introduction:
An alkene undergoes an oxidation reaction with Osmium tetra oxide and followed by hydrolysis to give a cis 1, 2 diol for example,
(c)
Interpretation:
The stereo isomeric product should be given when the alkenes reaction with osmium tetroxide followed by hydrogen peroxide hydrolysis.
Concept introduction:
An alkene undergoes an oxidation reaction with Osmium tetra oxide and followed by hydrolysis to give a cis 1, 2 diol for example,
(d)
Interpretation:
The stereo isomeric product should be given when the alkenes reaction with osmium tetroxide followed by hydrogen peroxide hydrolysis.
Concept introduction:
An alkene undergoes an oxidation reaction with Osmium tetra oxide and followed by hydrolysis to give a cis 1, 2 diol for example,
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EBK ORGANIC CHEMISTRY
- Draw the product or products that will be obtained from the reaction of cis-2-butene and trans-2-butene with each of the following reagents. If a product can exist as stereoisomers, show which stereoisomers are formed. 1. HCl. 4.Br2 in CH2Cl2 7. H2O + H2SO4 2. BH3/THF, followed by HO-, H2O2, H2O 5. Br2 + H2O 8. CH3OH + H2SO4 3. a peroxyacid 6. H2 + Pd/Carrow_forwardWhich of the following alkenes will yield a meso dihalide when reacted with Br/CCh at room temperature? 11 B. ID III IV Both II and IVarrow_forward1. What alkene will produce the HIGHEST yield of the alkyl halide below? 2. Which of the following alkynes can be deprotonated by NaNH2 in liquid NH3? a. Pent-2-yne b. Hex-3-yne c. none of these d. 3-Methylbutyne e. 3-Methylhex-2-ynearrow_forward
- Cyclohexene (an alkene) is mixed with potassium permanagnate solution (KMnO4). What do you expect to observe? A. The mixture will turn purple as the permanganate is reduced by the alkene. B. The purple colour will disappear as the permanganate is reduced by the alkene. C. Nothing. Permanganate does not react with alkenes. D. The purple colour will disappear as the permanganate is oxidised by the alkene.arrow_forwardDraw a structural formula for the alkene with the molecular formula C5H10 that reacts with Br2 to give each product.arrow_forwardBefore you answer this question, please read the following important principle: If a carbocation is formed in the slow step of a reaction, the reactivity of the reactant will be greater if that carbocation is more stable. The question: Which of the following alkenes reacts fastest with HCI? I HỌC=CHCH,CH,CH, IV CH₂ CH₂CH₂ Select one: OA. I O B. II O C. IV O D. III H H II CH3 H₂C-C-CH=CH₂ H III H₂C. H H CH₂CHarrow_forward
- Metathesis of which of the following sets of alkenes leads to the highest yield of a single alkene? 1. 1-butene and 1-pentene 2. 2-butene and 3-hexene 3. 2-butene and 1-pentene b. What kinds of alkenes should be used in metathesis reactions that use two different alkenes as starting materialsarrow_forwardChemistry 4. Which of the following reactions would produce the following alkene in a reasonable percentage yield, i.e., greater than 50%? HS0. hect OH CH,Br Ngl celone a. I b. II c. III d. More than one of these reactions e. None of these reactionsarrow_forwardNO NEED OF EXPLANATION. I WILL RATEarrow_forward
- 4. Draw the structure of the four allylic halides formed when 3-methylcyclohexene undergoes allylic halogenation with NBS + hv. CH3 Allylic Brominationarrow_forwardWhich alkene is the main product of the following reaction? О А.Н.С О B. H с Ос. Н.С H.C H3C H.C H₂C CH3 CH₂ CH3 CH3 H3C H3C OH CH3 cat H₂SO4 Дarrow_forwardChoose the two alkyl bromides and the hydrogenation method that must be used to synthesize these alkenes from acetylene. Enter your answer as two letters in alphabetical order, followed by a number; i.e. ac2, not ca2. Do not use punctuation. Alkyl Halides а. СHзCH2Br b. CH3(CH2)4Br c. CH3(CH2)5Br d. CH3(CH2)§Br e. CH3(CH2);Br f. CH3(CH2)¿Br g. CH3(CH2)12Br Hydrogenation Method 1. H2, Lindlar's catalyst 2. Na, NH3 (1) Alkene #1: CH3 H3C bb1 Alkene #2: H3C, CH3 df1arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning