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Lewis structure for nitrate, NO3, Exams of Chemistry

The University of Tennessee (UT)Chemistry

Nitrate, NO3. –. • Lewis structure for nitrate, NO3. –. • Seems to indicate that the N=O bond is different from the other two N-O bonds.

Typology: Exams

2021/2022

Uploaded on 09/12/2022

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laskhminaran 🇺🇸

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Nitrate, NO3–
• Lewis structure for nitrate, NO3–
• Seems to indicate that the N=O bond is different
from the other two N-O bonds.
• Double bonds are shorter and stronger than single
bonds.
• All three bonds are the same strength and length,
so we need a new component for our Lewis
structure process to explain this.
pf3
pf4
pf5

Partial preview of the text

Download Lewis structure for nitrate, NO3 and more Exams Chemistry in PDF only on Docsity!

Nitrate, NO

  • Lewis structure for nitrate, NO 3

  • Seems to indicate that the N=O bond is different from the other two N-O bonds.
  • Double bonds are shorter and stronger than single bonds.
  • All three bonds are the same strength and length, so we need a new component for our Lewis structure process to explain this.

Resonance

• We can view certain molecules and

polyatomic ions as if they were able to

switch back and forth or resonate between

two or more different structures. Each of

these structures is called a resonance

structure. The switching from one

resonance structure to another is called

resonance.

• We don’t think this is really happening, but

as we will see, we think it is useful to think

of it as if it was happening.

Resonance

Hybrid

• To blend the resonance structures into a

single resonance hybrid:

  • Step 1: Draw the skeletal structure, using solid lines for the bonds that are found in all of the resonance structures.
  • Step 2: Where there is sometimes a bond and sometimes not, draw a dotted line.
  • Step 3: Draw only those lone pairs that are found on every one of the resonance structures. (Leave off the lone pairs that are on one or more resonance structure but not on all of them.)

Nitrate

Resonance