When 3,3-dimethyl-2-bu tanol is treated with concentrated HI, a rearrangement takes place. Which alkyl iodide would you expectfrom the reaction? Show the mechanism by which it is formed. A. Draw the product of the reaction of 3,3-dimethyl-2-butanol with concentrated HI. B. Write the mechanism for step one of this reaction. Show lone pairs and formal charges. Only the acidic hydrogen should be drawn out with a covalent bond. C. Write the mechanism for step two of this reaction. Show lone pairs and formal charges. No hydrogen should be shown drawn out with a covalent bond in this step. D. Write the mechanism for step three of this reaction. Show lone pairs and formal charges. NOTE: When drawing mechanistic steps that involve the movement of bonds (such as in a methyl or hydride shift), dotted lines will appear that show which carbon of the bond that you are moving will attack the other group or carbocation. Pay careful attention to those dotted lines when drawing your mechanism. E. Write the mechanism for the final step of this reaction. Show lone pairs and formal charges.
Analyzing Infrared Spectra
The electromagnetic radiation or frequency is classified into radio-waves, micro-waves, infrared, visible, ultraviolet, X-rays and gamma rays. The infrared spectra emission refers to the portion between the visible and the microwave areas of electromagnetic spectrum. This spectral area is usually divided into three parts, near infrared (14,290 – 4000 cm-1), mid infrared (4000 – 400 cm-1), and far infrared (700 – 200 cm-1), respectively. The number set is the number of the wave (cm-1).
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Interpretation of anisole using IR spectrum obtained from IR analysis.
IR Spectroscopy
Infrared (IR) or vibrational spectroscopy is a method used for analyzing the particle's vibratory transformations. This is one of the very popular spectroscopic approaches employed by inorganic as well as organic laboratories because it is helpful in evaluating and distinguishing the frameworks of the molecules. The infra-red spectroscopy process or procedure is carried out using a tool called an infrared spectrometer to obtain an infrared spectral (or spectrophotometer).
When 3,3-dimethyl-2-bu
tanol is treated with concentrated HI, a rearrangement takes place. Which alkyl iodide would you expectfrom the reaction? Show the mechanism by which it is formed.
A. Draw the product of the reaction of 3,3-dimethyl-2-butanol with concentrated HI.
B. Write the mechanism for step one of this reaction. Show lone pairs and formal charges. Only the acidic hydrogen should be drawn out with a covalent bond.
C. Write the mechanism for step two of this reaction. Show lone pairs and formal charges. No hydrogen should be shown drawn out with a covalent bond in this step.
D. Write the mechanism for step three of this reaction. Show lone pairs and formal charges.
NOTE: When drawing mechanistic steps that involve the movement of bonds (such as in a methyl or hydride shift), dotted lines will appear that show which carbon of the bond that you are moving will attack the other group or carbocation. Pay careful attention to those dotted lines when drawing your mechanism.
E. Write the mechanism for the final step of this reaction. Show lone pairs and formal charges.
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