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写出英文名:戊-2-烯: ;辛-1-炔:

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写出英文名:壬烷: ;癸烷:

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If (S)-glyceraldehyde has a specific rotation of -8.7°, what is the specific rotation of (R)-glyceraldehyde? ()

A. -8.7°
B. +8.7°
C. 0.0°
D. cannot be determined from the information given

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Which of the following is not true of enantiomers? ()

A. They have the same melting point.
B. They have the same boiling point.
C. They have the same chemical reactivity with non-chiral reagents.
D. They have the same density.
E. They have the same specific rotation.

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How many stereoisomers exist with the following basic connectivity? () CH3CHClCH2CHClCH3

A. 0
B. 1
C. 2
D. 3
E. 4

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写出英文名:戊-2-烯:______ ;辛-1-炔:______

写出英文名:壬烷:______ ;癸烷:______

If (S)-glyceraldehyde has a specific rotation of -8.7°, what is the specific rotation of (R)-glyceraldehyde? ()

Which of the following is not true of enantiomers? ()

How many stereoisomers exist with the following basic connectivity? () CH3CHClCH2CHClCH3

写出英文名:戊-2-烯: ;辛-1-炔:

写出英文名:壬烷: ;癸烷: