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Which of the following statements is at least partly responsible for the formati

ID: 937879 • Letter: W

Question

Which of the following statements is at least partly responsible for the formation of multiple products in the reaction? The positive charge in the intermediate is delocalized. The intermediate may undergo a hydride shift. A base may only abstract a proton antiperiplanar to the leaving group, The methyl group withdraws electron density to stabilize the transition state. The IR spectrum of 2-methylcyclohcxanol and that of the alkene products differ in all of the following ways EXCEPT: Only the IR spectrum of 2-methylcyclohexanol will show an absorption at around 2100 cm^-1. Only the IR spectrum of 2-methylcyclohexanol will show a broad absorption between 3200 cm^-1 and 3600 cm^-1. Only the IR spectrum of the alkene products will show an absorption at around 1660 cm^-1. Only the IR spectrum of the alkene products will show an absorption at around 3090 cm^-1.

Explanation / Answer

9) a

10) b

Alcohols show a broad peak at around 3200-3400 cm-1 due to hydrogen bonding.

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