Q45 · CSIR-NET Chemistry, December 2015

Paper: CSIR-NET December 2015 · Subject: Inorganic Chemistry · Chapter: Chemical Bonding · Topic: Chemical Bonding – General · Marks: 2 · Difficulty: Easy

The molecule $\mathrm{C}_{3} \mathrm{O}_{2}$ has a linear structure. This compound has
(a)$4 \sigma$ and $4 \pi$ bonds.
(b)$3 \sigma$ and $2 \pi$ bonds
(c)$2 \pi$ and $3 \pi$ bonds
(d)$3 \sigma$ and $4 \pi$ bonds
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
O=C=C=C=O: four σ bonds and four π bonds (each cumulated double bond contributes one π).

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