Practice I. TRUE OR FALSE: 1. Organic solvents such as hexane or ether are an excellent medium to crystallize an impure benzoic acid 2. In caffeine extraction, it is important that the tannic acid component of coffee be converted to its free acid state to avoid any interference with the extraction of caffeine Practice II. Which of the following molecules will have a tetrahedral shape? I. 2-propanone II. 3-bromo-5,5-dimethylheptane III. 4-chloro-6-ethyl-octanenitrile IV. 4-isopropyl-5-methoxydec-1-yne A. III B. I C. II AND III D. IV E. II F. I AND II G. I,II,III, IV H. I,II,III I. III AND IV
Practice I. TRUE OR FALSE: 1. Organic solvents such as hexane or ether are an excellent medium to crystallize an impure benzoic acid 2. In caffeine extraction, it is important that the tannic acid component of coffee be converted to its free acid state to avoid any interference with the extraction of caffeine Practice II. Which of the following molecules will have a tetrahedral shape? I. 2-propanone II. 3-bromo-5,5-dimethylheptane III. 4-chloro-6-ethyl-octanenitrile IV. 4-isopropyl-5-methoxydec-1-yne A. III B. I C. II AND III D. IV E. II F. I AND II G. I,II,III, IV H. I,II,III I. III AND IV
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Practice I. TRUE OR FALSE:
1. Organic solvents such as hexane or ether are an excellent medium to crystallize an impure benzoic acid
2. In caffeine extraction, it is important that the tannic acid component of coffee be converted to its free acid state to avoid any interference with the extraction of caffeine
Practice II.
Which of the following molecules will have a tetrahedral shape?
I. 2-propanone
II. 3-bromo-5,5-dimethylheptane
III. 4-chloro-6-ethyl-octanenitrile
IV. 4-isopropyl-5-methoxydec-1-yne
A. III
B. I
C. II AND III
D. IV
E. II
F. I AND II
G. I,II,III, IV
H. I,II,III
I. III AND IV
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