Question

II
Among these groups, which of the follow
ing orders is correct for the magnitude of
their -I effect?
a I > II > III
b I > III > II
C III > II >I
d) II > I > III
1
.-CN
-COOH
-F
I
II​

Answer 1

Answer:

option 1 is correct answer -CN, -COOH, -F

Answer 2

Answer:

The correct order for the magnitude of the -I effect is a I > II > III

Explanation:

• Inductive effect is a change in the electron density caused by electron-withdrawing or electron-donating groups.
• The effect of pulling electrons to itself is called the negative inductive effect.
• It creates a permanent dipole and works on sigma bonds.
• -CN group has a higher inductive effect as compared to -COOH and -F.

Therefore, the correct order is -CN > -COOH > -F.

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