can someone answer 1 and 2? 3:19 Jnlio l.. Palma CHem210FA1 a 6. D ty. No food s

Question

can someone answer 1 and 2?

3:19 Jnlio l.. Palma CHem210FA1 a 6. D ty. No food stains 1. 30pts. Which of the following species are likely to be mueleophikes and which eleeto- philes? Whch g be both? (a) CH3Cl lb) CH3S_ (c) NSA N-CH3 [d) CH3CH 2. 30pts. Reaction of HBr with 2-methylpropeue yields 2bro-2-ethylpropane. What is the structure o the carbocation forued during the reaction? Show the wechanisn of the reaction H3C CH3 C-CH2 + HBr CH3-C-Br H3C CH3 2-Methylpropene 2-Bromo-2-methylpropane 3. 30pts. Add eurved arrws to the following polar reaction to indicate the fow o electroai:s CH30-CHBr 4 10pts. Which reaction is more energetically favored one with G°-44 kJ/mol oc one with G +44 kJ/mol? Sketch a possible energy diagram representing both Gibbs froe-energy changes of reactions

Explanation / Answer

Answer 1 (a) CH3Cl - Electrophile (Electron loving group)

(b) CH3S- - Nucleophile (Nucleus loving group)

(c) Nucleophile

(d) Electrophile

Answer 2 2- Methylpropene to 2-Bromo-2-methyl propane

Forms the following Carbocation:

(CH3)2-C+-CH2-H (3o Carbocation) Teritary Carbocation Formed which is more stable

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