Sigma & Pi Bonds: Help & Answers

In summary, sigma and pi bonds are types of covalent bonds formed when atoms share electrons. Sigma bonds are formed head-to-head or end-to-end, while pi bonds are formed sideways. They can exist simultaneously in a single bond, and play a crucial role in determining a molecule's strength and stability. The type and number of bonds can be determined by looking at the Lewis structure and counting shared electron pairs.
  • #1
UNknown 2010
77
0
hi
are all answer are correct ?
help please
http://img73.imageshack.us/img73/2421/10267725rs8.png
 
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  • #2
The ones I have checked look OK.
 
  • #3
Did you checked all cyclic compounds ?
 

1. What are sigma and pi bonds?

Sigma and pi bonds are types of covalent bonds that form between atoms when they share electrons.

2. How do sigma and pi bonds differ?

Sigma bonds are formed by the overlapping of atomic orbitals in a head-to-head or end-to-end manner, while pi bonds are formed by the overlapping of atomic orbitals in a sideways manner.

3. Can sigma and pi bonds exist simultaneously between two atoms?

Yes, a single bond between two atoms can have both a sigma and a pi bond, while a double bond will have one sigma and one pi bond, and a triple bond will have one sigma and two pi bonds.

4. What is the significance of sigma and pi bonds in chemical bonding?

Sigma and pi bonds play a crucial role in determining the strength and stability of a molecule. The number and type of bonds present can affect the molecule's properties and reactivity.

5. How can I determine the type and number of bonds in a molecule?

You can determine the type and number of bonds in a molecule by looking at its Lewis structure and counting the number of shared electron pairs between atoms. A single bond indicates a sigma bond, while double and triple bonds indicate a combination of sigma and pi bonds.

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