1.

IN_HOW_MANY_WAYS_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬®CH3_PROTONS_CAN_COUPLE_WITH_THE_PROTONS_ON_ADJACENT_CARBON_ATOM_RELATIVE_TO_THE_EXTERNAL_FIELD.?$#

A. 1
B. 2
C. 3
D. 4
Answer» E.


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