GENERAL,ORGANIC, & BIOLOGICAL CHEM-ACCES
4th Edition
ISBN: 9781265982959
Author: SMITH
Publisher: MCG
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Question
Chapter 15.7, Problem 15.17P
Interpretation Introduction
Interpretation:
Whether the sample containing equal amounts of two enantiomers is optically active or not should be determined.
Concept introduction:
Optical activity is an effect of an optical isomer's interaction with plane-polarized light. There are certain substances which has the ability to rotate the plane of plane-polarized light as it passes through a solution, crystal, or liquid is said to be the optical activity.
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Chapter 15 Solutions
GENERAL,ORGANIC, & BIOLOGICAL CHEM-ACCES
Ch. 15.1 - Prob. 15.1PCh. 15.1 - Prob. 15.1PPCh. 15.1 - For trans-2-hexene: (a) draw a stereoisomer; (b)...Ch. 15.2 - Prob. 15.3PCh. 15.2 - Prob. 15.4PCh. 15.3 - Prob. 15.2PPCh. 15.3 - Prob. 15.5PCh. 15.3 - Prob. 15.6PCh. 15.3 - Prob. 15.3PPCh. 15.3 - Prob. 15.7P
Ch. 15.3 - Prob. 15.8PCh. 15.3 - Prob. 15.9PCh. 15.4 - Prob. 15.4PPCh. 15.4 - Prob. 15.10PCh. 15.4 - Prob. 15.11PCh. 15.4 - Prob. 15.12PCh. 15.5 - Prob. 15.13PCh. 15.6 - Prob. 15.5PPCh. 15.6 - Prob. 15.14PCh. 15.6 - Prob. 15.15PCh. 15.7 - Prob. 15.16PCh. 15.7 - Prob. 15.17PCh. 15.7 - Prob. 15.6PPCh. 15.7 - Prob. 15.18PCh. 15.8 - Prob. 15.7PPCh. 15.8 - Prob. 15.19PCh. 15.9 - Prob. 15.20PCh. 15 - Prob. 21PCh. 15 - Prob. 22PCh. 15 - Prob. 23PCh. 15 - Prob. 24PCh. 15 - Prob. 25PCh. 15 - Prob. 26PCh. 15 - Prob. 27PCh. 15 - Prob. 28PCh. 15 - Prob. 29PCh. 15 - Prob. 30PCh. 15 - Prob. 31PCh. 15 - Prob. 32PCh. 15 - Prob. 33PCh. 15 - Prob. 34PCh. 15 - Prob. 35PCh. 15 - Prob. 36PCh. 15 - How are the compounds in each pair related? Are...Ch. 15 - Prob. 38PCh. 15 - Prob. 39PCh. 15 - Prob. 40PCh. 15 - Prob. 41PCh. 15 - Prob. 42PCh. 15 - Prob. 43PCh. 15 - Prob. 44PCh. 15 - Prob. 45PCh. 15 - Prob. 46PCh. 15 - Prob. 47PCh. 15 - Prob. 48PCh. 15 - Prob. 49PCh. 15 - Prob. 50PCh. 15 - (a) Define the terms “optically active” and...Ch. 15 - Prob. 52PCh. 15 - Prob. 53PCh. 15 - Prob. 54PCh. 15 - Prob. 55PCh. 15 - Prob. 56PCh. 15 - Prob. 57PCh. 15 - Prob. 58PCh. 15 - Prob. 59PCh. 15 - Prob. 60PCh. 15 - Prob. 61PCh. 15 - Prob. 62PCh. 15 - Prob. 63PCh. 15 - Prob. 64PCh. 15 - Prob. 65PCh. 15 - Prob. 66PCh. 15 - Prob. 67CPCh. 15 - Prob. 68CP
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- 8) How much of the S-enantiomer is present in 10 g of a mixture which has an enantiomeric excess of 20% of the R-enantiomer? A) 2 g B) 3 g C) 4 g D) 5 g E) 6 g 9) A solution of 0.2 g/ml of a pure R-enantiomer in a 1 dm polarimeter sample tube rotates plane of polarized light by +5. What is the rotation observed on this solution in a 2dm polarimeter sample tube? A) 0 B) -5 C) 10 D) -10 E) 5arrow_forwardWhat is the percent enantiomeric excess (ee) of a mixture that has 86% of one enantiomer and 14% of the other?arrow_forwardDraw a molecule that has one R stereocenter.arrow_forward
- 5. Which of the following statements is not true? A) A molecule that is superimposable on its mirror image is said to achiral. B) A molecule that is not superimposable on its mirror image is said to be chiral. C) A molecule that is superimposable on its mirror image is said to be chiral. D) A carbon atom bonded to four different groups is a stereogenic center.arrow_forwardUsing Enantiomeric Excess to Calculate the Amount of Each Enantiomer If the enantiomeric excess is 95%, how much of each enantiomer is present?arrow_forwardHow to separate a racemic mixture into its component enantiomers ?arrow_forward
- How do you determine if a product is optically active or inactive?arrow_forwardIndicate whether each statement is true or false: An equal mixture of enantiomers is not optically active. All (S)-enantiomers rotate plane polarized light counterclockwise. The ratio of enantiomers in a sample can be reported as an enantiomeric excess.arrow_forwardWhy are some chiral drugs are sold as a mixture of enantiomers and why some are not? How enantiomers affect the biological activity of the drugs? Explain.arrow_forward
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