# Problem: Which of the following resonance structures for OCN - will contribute most to the correct structure of OCN-?a. O(2 lone pairs)=C=N(2 lone pairs) b. O(3 lone pairs)—C≡N(with 1 lone pair) c. O(1 lone pair)≡C—N(3 lone pairs) d. O(1 lone pair)=C(2 lone pairs)=N(1 lone pair) e. They all contribute equally to the correct structure of OCN -.

###### FREE Expert Solution

Determine the resonance structure that will contribute the most for OCN-

First, we will have to draw the Lewis Structure of OCNand follow the steps:

Step 1: Determine the central atom in this molecule.

Step 2: Calculate the total number of valence electrons present.

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###### Problem Details

Which of the following resonance structures for OCN - will contribute most to the correct structure of OCN-?

a. O(2 lone pairs)=C=N(2 lone pairs)

b. O(3 lone pairs)—C≡N(with 1 lone pair)

c. O(1 lone pair)≡C—N(3 lone pairs)

d. O(1 lone pair)=C(2 lone pairs)=N(1 lone pair)

e. They all contribute equally to the correct structure of OCN -.