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What is the molecular geometry of methane (CH4)?

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Question: What is the molecular geometry of methane (CH4)?

Options:

  1. Linear
  2. Trigonal planar
  3. Tetrahedral
  4. Octahedral

Correct Answer: Tetrahedral

Solution:

Methane has a tetrahedral molecular geometry due to sp3 hybridization of the carbon atom.

What is the molecular geometry of methane (CH4)?

Practice Questions

Q1
What is the molecular geometry of methane (CH4)?
  1. Linear
  2. Trigonal planar
  3. Tetrahedral
  4. Octahedral

Questions & Step-by-Step Solutions

What is the molecular geometry of methane (CH4)?
Correct Answer: Tetrahedral
  • Step 1: Identify the chemical formula of methane, which is CH4.
  • Step 2: Recognize that methane consists of one carbon atom (C) and four hydrogen atoms (H).
  • Step 3: Understand that the carbon atom in methane forms four bonds with the hydrogen atoms.
  • Step 4: Learn about hybridization, which is the mixing of atomic orbitals. In methane, the carbon atom undergoes sp3 hybridization.
  • Step 5: Realize that sp3 hybridization means the carbon atom has four equivalent hybrid orbitals.
  • Step 6: Visualize the arrangement of these four hybrid orbitals. They are arranged in a way that they are as far apart as possible.
  • Step 7: Conclude that this arrangement forms a tetrahedral shape, with bond angles of approximately 109.5 degrees.
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