12.2. Indicate the σ and π-bonds in the following molecules:
C₆H₆, C₆H₁₂, CH₂Cl₂, CH=C=CH₂, CH₃NO₂, HCONHCH₃

Single bond contains only one sigma bond and double bond contains one sigma and one pi bond.

1. In this structure, nine single bonds and three double bonds are present. So, there are 12σ and 3π bonds present.
2. In this structure, eighteen single bonds are present. So, there are only 18σ bonds present.
3. In this structure, four single bonds are present. So, there are only 4σ bonds present.
4. In this structure, four single bonds and two double bonds are present. So, there are 6σ and 2π bonds present.
5. In this structure, five single bonds and one double bond are present. So, there are 6σ and 1π bonds present.
6. In thi

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Single bond contains only one sigma bond and double bond contains one sigma and one pi bond.

1. In this structure, nine single bonds and three double bonds are present. So, there are 12σ and 3π bonds present.
2. In this structure, eighteen single bonds are present. So, there are only 18σ bonds present.
3. In this structure, four single bonds are present. So, there are only 4σ bonds present.
4. In this structure, four single bonds and two double bonds are present. So, there are 6σ and 2π bonds present.
5. In this structure, five single bonds and one double bond are present. So, there are 6σ and 1π bonds present.
6. In this structure, seven single bonds and one double bond are present. So, there are 8σ and 1π bonds present.

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<p>Single bond contains only one sigma bond and double bond contains one sigma and one pi bond.</p><div><div><picture><source srcset="https://images.shiksha.com/mediadata/images/articles/1742295235phpZGCBn1_480x360.jpeg" media=" (max-width: 500px)"><img src="https://images.shiksha.com/mediadata/images/articles/1742295235phpZGCBn1.jpeg" alt="" width="624" height="226"></picture></div><div><ol><li>In this structure, nine single bonds and three double bonds are present. So, there are 12σ and 3π bonds present.</li><li>In this structure, eighteen single bonds are present. So, there are only 18σ bonds present.</li><li>In this structure, four single bonds are present. So, there are only 4σ bonds present.</li><li>In this structure, four single bonds and two double bonds are present. So, there are 6σ and 2π bonds present.</li><li>In this structure, five single bonds and one double bond are present. So, there are 6σ and 1π bonds present.</li><li>In this structure, seven single bonds and one double bond are present. So, there are 8σ and 1π bonds present.</li></ol></div></div>

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