Question

Reactions of Alkanes 1. What are the products of the following reactions? Label all functional groups Include all byproducts Balance this equation Type of reaction ҫн, Нас-с-сн, CHз Type of reaction Cl2, hv сH,CH сH, CH, + о, Type of reaction light +Br2 TVpe of reaction Reactions of Alkenes and Alkynes 2. What are the preducts of the fellowing reactions? Where applicable, indicate which are the mainr and which the minor products. Label all functional groups. Indude all byproducts 1-methylcyclopentene reacts with water and hydrobromic acid Type of reaction Pt H Pressure Type of reaction

Answer 1

n +90 - 6CO₂ + 6H2O Type of reaction combustion of hydro- carbons General formula Testan + 30 02 neoz+nhol CH₂ cl, hvor te - e - CH₂ - Hiç —¢-CH, UL CH₃ Almane (Neopentane) t Chloroalkane + Нер CHE : oz Type of reaction: chlorination of alvane

cina cita Mechanism Initaation : Propagation : clo m TH - (H3. CH₂ - C- CH3 : CH3 CH3 Ctz HC-C- CH₂ + cel ce HC- C - CH3 or CH3 CH₃ AC-C-CHA & i CH3 Termination: ce + oce .nn, ÇM3 cl + HC - c-CH2 ce-ce CA3 9 clhc- e - eltz се *. 2 C4 Ha the-c-ct & 14C - C-CH₂ -C-CH-CH-C-Chh . CHA CH₂

© ] + Br, light, D + HBO (cyclobutane) (1 - Bromo cydo butane) Type : Boromination of cycloaluane Mechanism will be followed up line the above reaction. In the above halogenation reaction is me take halogen in excess more substituted product will be formed. No. 2 çiz 3 . C. Hct + 1, 2, (6) G 1-methylcyclopentene 1-chloro-l-methyl cyclopentane (Major) 2-Chlore- 1-methyl ciclopentane (minor) Type of reaction : Addition of H alkene halogen acid to Mechanism сно W ما УНСС (more stable) (Major) .CH3 CAB ci La (less stable) (minor) 3- carbocation is more stable than cation due to more & I effect, go carbo-

Pt + H₂ Pressure 1-methyl cyclopentan, 1-methyl cyclopentene Type of reaction : Catalytic hydrogenation of alkene Mechanism HH H H H H Metal catalyst surface XON H H H H H HH r idot2 dia .