Which of the following molecules has only non-coplanar tetrahedral geometry?
Correct answer: B. C3H8
- A. NF3
- B. C3H8
- C. C2CI4
- D. C3H6
Explanation
The molecule C3H8, which is propane, has only non-coplanar tetrahedral geometry.Propane (C3H8) consists of three carbon atoms bonded together in a straight chain, with each carbon atom forming single bonds with three hydrogen atoms. The carbon-carbon bonds in propane are sigma (σ) bonds, which allow free rotation around the carbon-carbon axis. As a result, the molecule is not planar (coplanar) but adopts a three-dimensional tetrahedral geometry around each carbon atom ,hence this is the correct answer.
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