Evaluate the following list of isotopic and functional groups: , , , , , , , . How many of these spe — GOC and Organic Chemistry Basics Chemistry Question
Question
Evaluate the following list of isotopic and functional groups: $-CH_3$, $-CD_3$, $-CT_3$, $-C(CH_3)_3$, $-O^-$, $-COO^-$, $-NO_2$, $-F$. How many of these specifically exert a positive inductive ($+I$) effect?
Answer: 6
💡 Solution & Explanation
The groups exerting a $+I$ (electron-donating) effect are $-CH_3$, $-CD_3$, $-CT_3$, $-C(CH_3)_3$ (alkyl and isotopic groups), $-O^-$, and $-COO^-$ (anionic groups). This makes a total of 6. $-NO_2$ and $-F$ exert a $-I$ effect.
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