Thestereoisomer whichreacts faster in the elimination reaction on treatment with sodium ethoxide in ethanol is to be predicted. Concept Introduction: > Dehydrohalogenation reaction is the loss of hydrogen and a halogen from adjacent carbon atoms in an alkyl halide to form the most stable alkene by β eliminations. > E 2 elimination reactions are favored whenever an alkyl halide is treated with a strong base. > The difference in the reaction rates between the two stereoisomers results from different degrees of π bond development in the E 2 transition state. > The anti-coplanar arrangement imposes little strain in the E 2 transition state, and elimination occurs readily. An absence of anti-coplanar arrangement increases the strain in the E 2 transition state, and this slows the rate of elimination.

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3. 2. 1. On the graph below, plot the volume of rain in milliliters versus its height in centimeters for the 400 mL beaker. Draw a straight line through the points and label it "400 mL beaker." Volume (mL) 400 350 300 250 200 150 750 mL Florence Volume Versus Height of Water 400 mL beaker 100 50 0 0 2 3 4 5 Height (cm) 6 7 8 9 10 Explain why the data points for the beaker lie roughly on a straight line. What kind of relationship is this? How do you know? (see page 276 text) the design of the beaker is a uniform cylinder the volume of liquid increases evenly with its height resulting in a linear relationship. What volume would you predict for 10.0 cm of water? Explain how you arrived at your answer. Use the data table and the graph to assist you in answering the question. 4. Plot the volume of rain in milliliters versus its height in centimeters for the 250 mL Florence flask on the same graph. Draw a best-fit curve through the points and label it "250 mL Florence flask." oke came

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Chapter 7.16, Problem 26P

Interpretation Introduction

Interpretation:

Thestereoisomer whichreacts faster in the elimination reaction on treatment with sodium ethoxide in ethanol is to be predicted.

Concept Introduction:
>
Dehydrohalogenation reaction is the loss of hydrogen and a halogen from adjacent carbon atoms in an alkyl halide to form the most stable alkene by β eliminations.
>
E2 elimination reactions are favored whenever an alkyl halide is treated with a strong base.
>
The difference in the reaction rates between the two stereoisomers results from different degrees of π bond development in the E2 transition state.
>
The anti-coplanar arrangement imposes little strain in the E2 transition state, and elimination occurs readily. An absence of anti-coplanar arrangement increases the strain in the E2 transition state, and this slows the rate of elimination.

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3. 2. 1. On the graph below, plot the volume of rain in milliliters versus its height in centimeters for the 400 mL beaker. Draw a straight line through the points and label it "400 mL beaker." Volume (mL) 400 350 300 250 200 150 750 mL Florence Volume Versus Height of Water 400 mL beaker 100 50 0 0 2 3 4 5 Height (cm) 6 7 8 9 10 Explain why the data points for the beaker lie roughly on a straight line. What kind of relationship is this? How do you know? (see page 276 text) the design of the beaker is a uniform cylinder the volume of liquid increases evenly with its height resulting in a linear relationship. What volume would you predict for 10.0 cm of water? Explain how you arrived at your answer. Use the data table and the graph to assist you in answering the question. 4. Plot the volume of rain in milliliters versus its height in centimeters for the 250 mL Florence flask on the same graph. Draw a best-fit curve through the points and label it "250 mL Florence flask." oke came

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In the video, we looked at the absorbance of a certain substance and how it varies depending on what wavelength of light we are looking at. Below is a similar scan of a different substance. What color BEST describes how this substance will appear? Absorbance (AU) Violet Blue Green Orange 1.2 1.0- 0.8- 0.6- 0.4- 0.2 0.0 450 500 550 600 650 700 Wavelength (nm) violet indigo blue green yellow orange red Red O Cannot tell from this information In the above graph, what causes -450 nm wavelength of light to have a higher absorbance than light with a -550 nm wavelength? Check all that are true. The distance the light travels is different The different data points are for different substances The concentration is different at different times in the experiment Epsilon (molar absortivity) is different at different wavelengths