NCERT · Class 11 · Chemistry · Chemical Bonding and Molecular StructureThe total number of $\sigma$ (sigma) and $\pi$ (pi) bonds present in an ethyne ($C2H2$) molecule are:
Step-by-Step Solution
Structure of ethyne is $H-C\equiv C-H$. It has 3 $\sigma$ bonds (two C-H and one C-C) and 2 $\pi$ bonds (in $C\equiv C$).
Detailed Options Breakdown
Option : 3 σ and 2 π (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: 2 σ and 3 π
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Chemical Bonding and Molecular Structure.
Option 2: 4 σ and 1 π
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Chemical Bonding and Molecular Structure.
Option 3: 5 σ and 0 π
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Chemical Bonding and Molecular Structure.
💡 Study Guide: This question tests core syllabus concepts from Chemical Bonding and Molecular Structure. For formulas, key summaries, and mock exam reference guides, read the full Chemical Bonding and Molecular Structure Revision Notes.