Write the net ionic reactions and designate the nucleophile, substrate and the leaving group in the following reactions. CH3 CH3OCH2CH3 CH3CH2ONa + Nal a) 2CH3OH (CH3)3CCI b) (CH3)3 COCH3 CH3OH 2 + CI Br + 2NH3 c) NH2 + NH4Br

The rate of reaction of [0.1 M] sodium cyanide with [0.1 M] 1-bromo-heptane is 1.2 x 10-3 M/s. What would be the rate IF the concentration of sodium cyanide is increased to [0.233 M] and the concentration of the alkyl bromide is decreased to [0.05 3M]?

An electron-deficient carbon atom reacts with a nucleophile, symbolized as: Nu−. Define this ?

Consider the following SN1 reaction: (CH3)3CBR + H2O → (CH3)3COH + HBr What is the effect of doubling both the t-butyl bromide and water concentrations on the rate of the reaction? O doubles the rate O quadruples the rate O triples the rate O halves the rate O no change O quarters the rate O 1/16th the rate

Which carbon will attack the alkyl halide (methyl iodide) in the major organic product of the following substitution reaction? A A B с D B H₂ с CH3 D 1) LDA, THF 2) CH₂I

1c. What is the nucleophile in the following reaction? .Br CH;CO0 Na LO OCCH3 NaBr ld. What is the electrophile in the following reaction? Br CH;COO Na L0OCCH3 NaBr +

Write mechanisms for each reactions.

Which carbon will attack the alkyl halide (methyl iodide) in the major organic product of the following substitution reaction? B H₂ CH3 A D 1) LDA, THF 2) CHẠI C A B ں 000 D

If the concentration of the electrophile were decreased, which reaction rate(s) would be expected to decrease? .Br N3 N3 1 Br CH,SO Br 2 Br SCH3 Br OH H20 + Br 3 2 only 1, 2 1, 2, 3 O 2, 3 O 3 only

What reagents are needed to carry out this reaction? CH;CH,CH2CCH PCC in methylene chloride Sia2BH and then basic hydrogen peroxide Aqueous acid and mercury sulfate MCPBA and then Swern Oxidation Question 10 What is the intermediate that forms during this reaction? CH;CH,CH,CCH O an enol an epoxide an alkoxide a carbanion