Average Bond Order Video Lessons

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Problem: Consider the Lewis structure for the nitric acid molecule, HNO 3, and select the false statement.a. More than one resonance structure is required.b. The N–O bond order is 4/3.c. In water, the H–N bond is broken to form H 3O+.d. The formal charge on nitrogen is +1.e. The oxidation state of nitrogen is +5.

FREE Expert Solution

We must draw the  Lewis structure for HNO3. We first need to determine the total number of valence electrons present in the molecule:

           Group            Valence Electrons

H        1A                   1 × 1 e = 1 e

N        5A                  1 x 5 e- = 5 e-

O        6A                   3 × 6 e = 18 e

 Total:  24 valence e


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Problem Details

Consider the Lewis structure for the nitric acid molecule, HNO 3, and select the false statement.

a. More than one resonance structure is required.

b. The N–O bond order is 4/3.

c. In water, the H–N bond is broken to form H 3O+.

d. The formal charge on nitrogen is +1.

e. The oxidation state of nitrogen is +5.

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Based on our data, we think this problem is relevant for Professor Poyraz's class at KSU.