Ncert Exercises & Solutions

Indicate the σ and π bonds in this molecule $H C O N H C H_{3}$

1. $(σ_{C - N})$ =4, $(σ_{C - H})$ = 2, $(σ_{N - H})$ = 1, and $(π_{C - O})$ = 1

2. $(σ_{C - N})$ =2, $(σ_{C - H})$ = 4, $(σ_{N - H})$ = 1, and $(π_{C - O})$ = 1

3. $(σ_{C - N})$ =1, $(σ_{C - H})$ = 4, $(σ_{N - H})$ = 2, and $(π_{C - O})$ = 1

4. $(σ_{C - N})$ =1, $(σ_{C - H})$ = 4, $(σ_{N - H})$ = 1, and i $(π_{C - O})$ = 2

Hint: A single bond is a sigma bond while a multiple bonds is composed of one sigma bond together with pi or other bonds. A double bond has one sigma plus one pi bond, and a triple bond has one sigma plus two pi bonds

Explanation:

Step 1: Below is the structure of $H C O N H C H_{3}$

Step 2: Count the sigma, and Pi bond in the above mention compound structure

There are two C-N sigma

(σ_{C - N})

bonds, four C-H sigma

(σ_{C - H})

bonds, one N_H sigma

(σ_{N - H})

bonds, and one C=O pi

(π_{C - O})

bond in this compound.

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