Is CH3CH2CH3 polar or nonpolar? – Polarity of CH3CH2CH3
The question is –
Is CH3CH2CH3 polar or nonpolar?
Answer:
⇒ CH3CH2CH3 is non-polar.
Explanation:
Propane (CH3CH2CH3) is non-polar as the small dipole moments of weakly polar C-H bonds get canceled uniformly in the tetrahedral shape of CH3CH2CH3 w.r.t all three C-atoms.
CH3CH2CH3 consists of three C-C and eight C-H single covalent bonds.
Each C-C bond is purely non-polar as zero or no electronegativity difference is present between two identical carbon atoms.
Conversely, each C-H bond is only weakly polar (almost non-polar as per Pauling’s electronegativity scale) as an electronegativity difference of only 0.35 units exists between a carbon (E.N = 2.55) and a hydrogen (E.N = 2.20) atom.
However, it is due to the symmetrical tetrahedral shape and molecular geometry of CH3CH2CH3 w.r.t each C-atom that the small dipole moments of all the C-H bonds get canceled uniformly in opposite directions equally.
Consequently, CH3CH2CH3 or C3H8 is overall non-polar (net µ = 0).
Also, check –
⇒ C3H8 lewis structure, molecular geometry, bond angle, hybridization
⇒ How to identify polar or nonpolar compounds?
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Vishal Goyal is the founder of Topblogtenz, a comprehensive resource for students seeking guidance and support in their chemistry studies. He holds a degree in B.Tech (Chemical Engineering) and has four years of experience as a chemistry tutor. The team at Topblogtenz includes experts like experienced researchers, professors, and educators, with the goal of making complex subjects like chemistry accessible and understandable for all. A passion for sharing knowledge and a love for chemistry and science drives the team behind the website. Let's connect through LinkedIn: https://www.linkedin.com/in/vishal-goyal-2926a122b/