Q.
How many atoms or group of atoms given below will exhibit +I effect? Zn,COO−,R−S−,I,Be,−SO3H,−C(Et)3,−COOH.
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Organic Chemistry – Some Basic Principles and Techniques
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Answer: 5
Solution:
Zn,COO−,R−S−,Be,−C(Et)3 are electron donating groups and exhibit +I effect. On the other hand I,−SO3H and −COOH are electron with drawing groups and exhibit −I effect.