What is the primary reason for the shape of the water molecule?

Practice Questions

Q1
What is the primary reason for the shape of the water molecule?
  1. Electronegativity
  2. Lone pair repulsion
  3. Bond length
  4. Molecular weight

Questions & Step-by-Step Solutions

What is the primary reason for the shape of the water molecule?
  • Step 1: Understand that a water molecule is made of one oxygen atom and two hydrogen atoms.
  • Step 2: Know that the oxygen atom has two lone pairs of electrons that are not involved in bonding.
  • Step 3: Recognize that these lone pairs of electrons repel each other and also repel the hydrogen atoms.
  • Step 4: This repulsion causes the hydrogen atoms to be pushed closer together, creating a bent shape instead of a straight line.
  • Step 5: Conclude that the primary reason for the bent shape of the water molecule is the repulsion between the two lone pairs on the oxygen atom.
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