Which of the following correctly represents the +I-effect of the substiuents ?
Which of the following correctly represents the +I-effect of the substiuents ?
A. `O^(-)gtCOO^(-)gtCR_(3)`
B. `COO^(-)gtO^(-)gtCR_(3)`
C. `O^(-)ltCOO^(-)ltCR_(3)`
D. `COO^(-)ltO^(-)ltCR_(3)`
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