16. Strongest bond is: (a) C-C (b) C=C (c) C≡C (d) All are equally strong. 17. Which is not characteristic of pi-bond: (a) pi-bond is formed when a sigma bond already forms (b) pi-... 16. Strongest bond is: (a) C-C (b) C=C (c) C≡C (d) All are equally strong. 17. Which is not characteristic of pi-bond: (a) pi-bond is formed when a sigma bond already forms (b) pi-bond are formed from hybrid orbitals (c) pi-bond allows rotation (d) pi-bond has a nodal plane.
Understand the Problem
The questions are asking about bond strength and characteristics of pi bonds in chemistry. The first question seeks to identify which bond is the strongest, while the second question asks for a statement that is not characteristic of pi bonds.
Answer
C≡C; Pi-bond not from hybrid orbitals.
The strongest bond is C≡C. Pi-bond is not formed from hybrid orbitals.
Answer for screen readers
The strongest bond is C≡C. Pi-bond is not formed from hybrid orbitals.
More Information
C≡C bonds are the strongest due to the involved sigma and two pi-bonds. Pi-bonds don't form from hybrid orbitals—they are the result of overlap between unhybridized p-orbitals.
Tips
Be careful not to confuse bond types with hybridization, which only applies to sigma bonds, not pi-bonds.
Sources
- 9.24: Sigma and Pi Bonds - Chemistry LibreTexts - chem.libretexts.org
- Sigma Bond - an overview | ScienceDirect Topics - sciencedirect.com
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