Is NO+ polar or nonpolar? – Polarity of NO+
The question is –
Is NO+ polar or nonpolar?
Answer:
⇒ NO+ is a polar molecular ion.
Explanation:
The nitrilooxonium (NO+) ion is polar as a specific electronegativity difference exists between a nitrogen and an oxygen atom.
Thus, the N-O triple covalent bond possesses a particular dipole moment value in the linearly shaped NO+ ion.
This dipole moment stays intact in the linear molecular shape as there is only one type of bond present in the molecular ion.
NO+ is composed of only two atoms i.e., a nitrogen atom and an oxygen atom. Nitrogen (E.N = 3.04) is less electronegative than oxygen (E.N = 3.44).
An electronegativity difference of 0.40 units exists between the triple covalently bonded nitrogen and oxygen atoms.
Therefore, although weakly, but the N-O triple bond is polar and possesses a small dipole moment value (symbol µ).
The N-O dipole moment stays uncancelled in the linear molecular shape.
Both N and O-atoms carry one lone pair of electrons each. A +1 formal charge is present on the O-atom, which is also the charge present on the ion overall.
The charged electron cloud stays non-uniformly spread over the molecular ion. Consequently, NO+ is overall polar (net µ > 0).
Also, check –
- Is N2O polar or nonpolar?
- Is NO2+ polar or nonpolar?
- Is NO2– polar or nonpolar?
- Is NO3– polar or nonpolar?
⇒ How to identify polar or nonpolar compounds?
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About the author
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/