Stereochemistry of OC
Quick practice
Question 1 of 5
The approximate 
(ppm) range of A and B marked carbon atom of the given compound respectively are
A
Both A and B: 195–215 ppm
B
A: 195–215 ppm; B: 165–170 ppm
C
A: 165–170 ppm; B: 195–215 ppm
D
Both A and B: 165–170 ppm
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