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Which of the following groups exhibits a strong -I effect?

Practice Questions

Q1
Which of the following groups exhibits a strong -I effect?
  1. –NO2
  2. –CH3
  3. –OH
  4. –NH2

Questions & Step-by-Step Solutions

Which of the following groups exhibits a strong -I effect?
Correct Answer: NO2
  • Step 1: Understand what the -I effect means. The -I effect refers to the ability of a group to withdraw electrons from a molecule.
  • Step 2: Identify the groups that can exhibit the -I effect. Common groups include -NO2, -CN, -COOH, and halogens.
  • Step 3: Determine which of these groups is considered a strong electron-withdrawing group. The -NO2 group is known to be very strong in this regard.
  • Step 4: Conclude that the -NO2 group exhibits a strong -I effect because it effectively pulls electrons away from the rest of the molecule.
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