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Class 11
Chemistry
Organic Chemistry Some Basic Principles and Techniques
indicate the sigma and pi bonds in the followi...

Question:
Indicate the σ and π bonds in the following molecules :

(i) C₆H₆,

(ii) C₆H₁₂,

(iii) CH₂Cl₂,

(iv) CH₂=C=CH₂,

(v) CH₃NO₂,

(vi) HCONHCH₃

Answer:

(i) C₆H₆

There are six C-C sigma (σ_C-C) bonds, six C-H sigma (σ_C-H) bonds and three C=C pi (π_C-C) resonating bonds in this compound.

(ii) C₆H₁₂

There are six C-C sigma (σ_C-C) bonds and twelve C-H sigma (σ_C-H) bonds in this compound.

(iii) CH₂Cl₂

There two C-H sigma (σ_C-H) bonds and two C-Cl sigma (σ_C-Cl) bonds in this compound.

(iv) CH₂=C=CH₂

There are two C-C sigma (σ_C-C) bonds, four C-H sigma (σ_C-H) bonds, and two C=C pi (π_C-C) bonds in this compound.

(v) CH₃NO₂

There are three C-H sigma (σ_C-H) bonds, one C-N sigma (σ_C-N) bond, one N-O sigma (σ_N-O) bond and one N=O pi (π_N-O) bond in this compound.

(vi) HCONHCH₃

There are two C-N sigma (σ_C-N) bonds, four C-H sigma (σ_C-H) bonds, one N-H sigma bond, and one C=O pi (π_C-O) bond in this compound.

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Question:
Indicate the σ and π bonds in the following molecules :

(i) C₆H₆,

(ii) C₆H₁₂,

(iii) CH₂Cl₂,

(iv) CH₂=C=CH₂,

(v) CH₃NO₂,

(vi) HCONHCH₃

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Question: Indicate the σ and π bonds in the following molecules : (i) C6H6, (ii) C6H12, (iii) CH2Cl2, (iv) CH2=C=CH2, (v) CH3NO2, (vi) HCONHCH3

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Question:
Indicate the σ and π bonds in the following molecules :

(i) C₆H₆,

(ii) C₆H₁₂,

(iii) CH₂Cl₂,

(iv) CH₂=C=CH₂,

(v) CH₃NO₂,

(vi) HCONHCH₃