Multiple choice

Which of the following statements is incorrect?

  1. Hard and Soft Acids and Bases (HSAB) theory was introduced by Pearson.

  2. Hard acids prefer binding to the soft bases.

  3. Hard acids have high energy LUMOs, and hard bases have high energy HOMOs.

  4. Hard acids and bases are small and non-polarisable.

  5. Soft acids and bases are larger and more polarisable.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

According to HSAB concept, hard acids prefer binding to hard bases, whereas soft acids prefer binding to soft bases.

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