What is the pKb value of a weak base like methylamine?

Practice Questions

Q1
What is the pKb value of a weak base like methylamine?
  1. Less than 7
  2. Equal to 7
  3. Greater than 7
  4. Undefined

Questions & Step-by-Step Solutions

What is the pKb value of a weak base like methylamine?
  • Step 1: Understand that methylamine is a weak base. This means it does not completely dissociate in water.
  • Step 2: Know that the pKb value is a measure of how weak or strong a base is. A lower pKb value means a stronger base.
  • Step 3: Remember that for weak bases, the pKb value is typically less than 7. This is because strong bases have pKb values greater than 7.
  • Step 4: Conclude that since methylamine is a weak base, its pKb value is indeed less than 7.
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