写出英文名: 氯：______ 氯甲烷:______ methane
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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? ()
A. -8.7°
B. +8.7°
C. 0.0°
D. cannot be determined from the information given
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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