The lesser the substituents on the electrophilic carbon of the alkyl halide, the more susceptible it is to the SN1 reaction mechanism. Select the correct response: True False
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- Determine the mechanism of nucleophilic substitution of each reaction and draw the products, including stereochemistry.Draw the reaction mechanism that shows BH3 adding to the alkene. Why is the product anti-Markovnikov?Q5. Using the pK values of the conjugate acids of the leaving groups (pK perp (HBr) = - 9 . pK (H,O)-15.7. PK (HO) -1.7.), explain the difference in reactivity in substitution reactions between: a. CH,Brand CH,OH b. CHOH, and CH,OH Please answer correct.!!
- True or fasle? Conjugated carbonyls (with a double bond or benzene ring)will have increased stretches by 20-30 cm-1.For each alkyl halide and nucleophile: [1] Draw the product of nucleophilic substitution; [2] determine the likely mechanism (SN1 or SN2) for each reaction.What is the E2 mechanism t-Butyl bromide and ethoxide anion?
- What i sthe major product of the reduction of the following compund with LiAlH4? The correct answer is C, but please explain why.What is the favoured mechanism with a secondary alkyl halide and an unhindered strong base (ex. NaOEt). Options: SN2 SN1 E2 E1Draw the SNl or SN2 reaction with CN for the following molecules t butylchloride , n - butylbromide , 2 -bromobutane . Explain in which mechanism it will react and why ?
- Which of the following are true? Chose all the correct answers. 1,3-Cis disubstituted cyclohexane is more stable that its trans isomer 1,4-Trans disubstituted cyclohexane is more stable than its cis isomer Dehydration of citrate to cis-aconitate, involves the pro-R "arm" of citrate rather than the pro-S arm. The correct reaction path is as follows: Ribose has 6 stereoisomers.For each of the following choose the best answer. Which base is the best for an E2 elimiantion A)CH3COO, B)NH3, C)CH3CC Which subtituent goes first alphabetically. A)chloro B) sec-butyl C)isopropyl Which carbon atom is more reduce in the following compunds A)CH3CH3 B)CH3NH2 C)CH3Li Which reaction creates a trans/anti product from an alkene A)NBS & H2O B)OsO4,Na2SO3 & H2O or C) Lindlar Pd and H2Which substituent is the strongest deactivator to EAS reactions? -NO2 -Cl -CH3 -OH