Interpretation:
The
Concept introduction:
The nucleophilic substitutions in which a nucleophile replaces a leaving group are known as
These reactions are unimolecular as the
Polar protic solvents suit
In this reaction, if the concentration of substrate increases, it results in an increase in the rate of reaction.
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ORGANIC CHEM. VOL.1+2-W/WILEYPLUS
- Predict the major product or the necessary reagent or reactant to complete each of the following reactions. In the box before each reaction, indicate the mechanism followed by the reaction. (Free radical (FR), SN2, SN1). (b) (a) Cl₂ CH₂CH₂OH (a) 1 hv 2 (b) H Br H₂O Na+ SCH3 (c) (d) CI "CH3arrow_forward8. What is the major organic product generated in the reaction below? (A) (B) ||||| Br + Na OCH3 $ £ (C) (D) NO RXN (E)arrow_forward(ii) Identify the major products in the following reactions a) 200 °C 200 °C b) X + Y c) 180 °Carrow_forward
- 3. (a) In the following reaction scheme, identify the missing reagent or reagent combination in each step, a-e. b,c Me Me OEt Me OEt Me Me Me NH NH2 Me Me Me Mearrow_forwardDecide whether the reactions below will proceed via an SN1 or SN2 mechanism. (b) Draw structural formula form the major organic products onlyarrow_forward4. Predict the major product of the following reactions. NBS (a) 0°C Na,Cr,07 H,SO, H,0 (b) он H,SO4 CH,OH (d) heat Brarrow_forward
- Provide the mechanism for the following reaction (1) PhMgBr (2 equiv) (2) H3O+ workup OHarrow_forwardIn an SN2 reaction between 2-chlorobutane and iodide ion, what happens to the rate of the reaction if: (a) the concentration of 2-chlorobutane is doubled? (b) the concentration of iodide is doubled?arrow_forwardPredict the products for the following reaction (1,2- and 1,4- addition) and propose a mechanism that explains the formation of each product. (1) (2) HCI + (3) (4)arrow_forward
- 9. (a) Under certain conditions, the reaction of 0.5 M 1-bromobutane with 1.0 M sodium methoxide forms 1-methoxybutane at a rate of 0.05 mol/L per second. What would be the rate if 0.1 M 1-bromobutane and 2.0 M NaOCH3 were used? (b) Consider the reaction of 1-bromobutane with a large excess of ammonia (NH3). Draw the reactants, the transition state, and the products. Note that the initial product is the salt of an amine (RNH* Br) which is deprotonated by the excess ammonia to give the amine. (c) Show another SN2 reaction using a different combination of an alkoxide and an alkyl bromide that also produces 1-methoxybutane.arrow_forward• H2O Based on the reaction above, (a) Outline the reaction mechanism. (b) Sketch the energy diagram. (c) Give the rate equation. (d) Explain what happens to the reaction rate if: The leaving group is changed to I. (0) (a) The solvent is changed to DMF. The alkyl halide is changed to (v) The concentration of the solvent is increased by five-fold answer with proper justification and with good explanationarrow_forward7.53 Write a sequence of steps depicting the mechanisms of each of the following reactions. Use curved arrows to show electron flow. H+ (a) ОН ОН (b) H2SO4. heat ОН KHSO4 (c) 170°Carrow_forward
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