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What is the bond angle in a methane (CH4) molecule?

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Question: What is the bond angle in a methane (CH4) molecule?

Options:

  1. 90 degrees
  2. 109.5 degrees
  3. 120 degrees
  4. 180 degrees

Correct Answer: 109.5 degrees

Solution:

In methane, the bond angle is approximately 109.5 degrees due to its tetrahedral geometry.

What is the bond angle in a methane (CH4) molecule?

Practice Questions

Q1
What is the bond angle in a methane (CH4) molecule?
  1. 90 degrees
  2. 109.5 degrees
  3. 120 degrees
  4. 180 degrees

Questions & Step-by-Step Solutions

What is the bond angle in a methane (CH4) molecule?
  • Step 1: Understand that methane (CH4) is a molecule made of one carbon atom and four hydrogen atoms.
  • Step 2: Know that in methane, the carbon atom is at the center and the four hydrogen atoms are positioned around it.
  • Step 3: Recognize that the arrangement of these atoms forms a shape called a tetrahedron.
  • Step 4: In a tetrahedron, the bond angles between the hydrogen atoms are equal.
  • Step 5: Measure the bond angle, which is the angle between any two hydrogen atoms connected to the carbon atom.
  • Step 6: Conclude that the bond angle in methane is approximately 109.5 degrees.
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