Which statement concerning optical isomers is false? a. b. A racemic mixture is a single sample containing equal amounts of the two optical isomers of a compound. C. Optical isomers have identical physical properties, except for their interaction with polarized light. Each optical isomer of a compound rotates polarized light by equal amounts but in opposite directions. d. A racemic mixture does not rotate the plane of polarized light because the effects of the two isomers exactly cancel. e. Optical isomers react exactly the same with any particular compound. O a Ob Oc Od ne

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Chapter1: Chemical Foundations
Section: Chapter Questions
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Question 1
Which statement concerning optical isomers is false?
a.
b.
A racemic mixture is a single sample containing equal amounts of the two
optical isomers of a compound.
C.
d.
A racemic mixture does not rotate the plane of polarized light because the
effects of the two isomers exactly cancel.
e. Optical isomers react exactly the same with any particular compound.
O a
O b
O c
Od
Each optical isomer of a compound rotates polarized light by equal amounts
but in opposite directions.
Oe
Optical isomers have identical physical properties, except for their
interaction with polarized light.
Question 2
a.
Which of the following has a chiral carbon?
b.
C.
OH
d. CH₂
CH₂
e. None of the above
CCH-CH₂
CH
Transcribed Image Text:Question 1 Which statement concerning optical isomers is false? a. b. A racemic mixture is a single sample containing equal amounts of the two optical isomers of a compound. C. d. A racemic mixture does not rotate the plane of polarized light because the effects of the two isomers exactly cancel. e. Optical isomers react exactly the same with any particular compound. O a O b O c Od Each optical isomer of a compound rotates polarized light by equal amounts but in opposite directions. Oe Optical isomers have identical physical properties, except for their interaction with polarized light. Question 2 a. Which of the following has a chiral carbon? b. C. OH d. CH₂ CH₂ e. None of the above CCH-CH₂ CH
D
Question 3
Out of all of the following alkanes, there is one cycloalkane.
a. CH₂ CH-CH₂
CH₂-CH-CH₂
b. CH3-CH₂-CH₂-CH₂-CH-CH3
C.
d.
e.
O True
O False
Question 4
Are these conformations of the same molecules constitutional isomers, cis-trans isomers or different
compounds?
O a
a. conformers
b. constitutional isomers
Ob
CH3
CH3-CH-CH₂-CH₂-CH₂-CH₂
O c
Od
C. cis-trans isomers
d. different compounds
Transcribed Image Text:D Question 3 Out of all of the following alkanes, there is one cycloalkane. a. CH₂ CH-CH₂ CH₂-CH-CH₂ b. CH3-CH₂-CH₂-CH₂-CH-CH3 C. d. e. O True O False Question 4 Are these conformations of the same molecules constitutional isomers, cis-trans isomers or different compounds? O a a. conformers b. constitutional isomers Ob CH3 CH3-CH-CH₂-CH₂-CH₂-CH₂ O c Od C. cis-trans isomers d. different compounds
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