MCAT Organic Chemistry Question 40: Answer and Explanation

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Question: 40

10. The four C–H bonds of CH₄ point toward the vertices of a tetrahedron. This indicates that the hybridization of the carbon atom in methane is:

A. sp.
B. sp².
C. sp³.
D. sp³d.

Correct Answer: C

Explanation:

The four bonds point to the vertices of a tetrahedron, which means that the angle between two bonds is 109.5°, a characteristic of sp³ orbitals. Hence, the carbon atom of CH₄ is sp³-hybridized.

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