(a)
Interpretation:
Whether each of the given reaction are an E2 or an E1 occurs has to be decided and the major elimination product has to be drawn.
Concept Introduction:
E1 reaction is a unimolecular elimination
The alkyl halide dissociates to form a carbocation. The base abstract a proton from the
An E2 reaction is favoured by a high concentration of a strong base.
An E1 reaction is favoured by a low concentration of a weak base.
(b)
Interpretation:
Whether each of the given reaction are an E2 or an E1 occurs has to be decided and the major elimination product has to be drawn.
Concept Introduction:
E1 reaction is a unimolecular elimination reaction in which rate of the reaction depends on the concentration of alkyl halide.
The alkyl halide dissociates to form a carbocation. The base abstract a proton from the
An E2 reaction is favoured by a high concentration of a strong base.
An E1 reaction is favoured by a low concentration of a weak base.
(c)
Interpretation:
Whether each of the given reaction are an E2 or an E1 occurs has to be decided and the major elimination product has to be drawn.
Concept Introduction:
E1 reaction is a unimolecular elimination reaction in which rate of the reaction depends on the concentration of alkyl halide.
The alkyl halide dissociates to form a carbocation. The base abstract a proton from the
An E2 reaction is favoured by a high concentration of a strong base.
An E1 reaction is favoured by a low concentration of a weak base.
(d)
Interpretation:
Whether each of the given reaction are an E2 or an E1 occurs has to be decided and the major elimination product has to be drawn.
Concept Introduction:
E1 reaction is a unimolecular elimination reaction in which rate of the reaction depends on the concentration of alkyl halide.
The alkyl halide dissociates to form a carbocation. The base abstract a proton from the
An E2 reaction is favoured by a high concentration of a strong base.
An E1 reaction is favoured by a low concentration of a weak base.
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Organic Chemistry (8th Edition)
- Please explain the steps from the reactant to product. Are they SN1/SN2/E1 or E2 reactions, good or bad leaving groups.arrow_forwardWhich mechanism, E1 or E2, will occur in each reaction?arrow_forwardDetermining the Major Product of an E2 Reaction Predict the major product in the following E2 reaction.arrow_forward
- Draw ALL the major product obtained when the following alkyl halide undergoes an E1 reaction. The E1 reaction below may have more than one product that forms (less substituted, more substituted, E/Z). Be sure to draw out all of the products that form.arrow_forwardIdentify the mechanism (E1 or E2) the reaction is undergoing and draw a stepwise mechanism for the following reaction that shows how all four products were formed. Show all intermediates and indicate electron movement with arrows.arrow_forwardThe following transformations represent either a reversible or irreversible reaction with a carbonyl. In the box above each reaction , specify whether the reaction is reversible "R" or irreversible "T".arrow_forward
- Propose a possible reaction mechanism for the following transformation. Draw out the steps with the correct reaction arrows.arrow_forwardIdentify the major and minor products for the E2 reaction that occus when each of the following substrates is treated with a strong base: find the productsarrow_forwardWhat is the product of the following E2 reactions?arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning