객관식
Which of the following pairs of chemical formulas represent isomers?
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22. Organic Chemistry
Isomers
객관식
Identify molecule(s) capable of rotating plane polarized light.
A
A and D
B
B and C
C
A and C
D
C and D
E
A, C, and D
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검증된 단계별 안내1
Understand that molecules capable of rotating plane polarized light are called chiral molecules. Chirality arises when a molecule has a carbon atom bonded to four different groups, making it a stereocenter or chiral center.
Examine each molecule (A, B, C, D) in the image to identify if they have at least one chiral center. Look for carbon atoms attached to four distinct substituents.
For molecule A, check if the carbon atoms have four different groups attached. If yes, molecule A is chiral and can rotate plane polarized light.
For molecule C, similarly check for chiral centers. If present, molecule C is also chiral and optically active.
Molecules B and D should be analyzed the same way. If they lack chiral centers or have symmetry that cancels optical activity, they will not rotate plane polarized light.
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