Question

Question 12.2 Indicate the σ and π bonds in the following molecules:

C6H6, C6H12, CH2Cl2, CH2 = C = CH2, CH3NO2, HCONHCH3

Class XI Organic Chemistry : Some Basic Principles and Techniques Page 361

Answer 1

concept :- single bonds are only sigma bond.
double bond contains one sigma bond and π-bond. triple bond contains two pi bonds and one sigma bond.

1. C6H6 : there are 12 sigma bonds and 3 π-binds .
2. C6H12 : there are 18 sigma bonds .
3. CH2Cl2 : there are four sigma bonds .
4. CH2=C=CH2: there are 6 sigma bonds and 2 π -bonds .
5. CH3NO2 : there are 6 sigma bonds and 1 π bond .
6. HCONHCH3 : there are 8 sigma bonds and 1 π- bond.

Answer 2

Answer:

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