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Q.
Identify the functional group that has electron donating inductive effect
MHT CETMHT CET 2018Organic Chemistry – Some Basic Principles and Techniques
Solution:
The functional group that has electron donating or positive inductive effect is $— CH _{3}$ Since, the positive inductive effect is due to the presence of an electron donating groups within the polar bond. Thus, option (c) is correct as rest of the three groups $\left(—COOH ,—CN ,— NO _{2}\right)$ are electron withdrawing in nature.