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JIPMER 2019
Exam
JIPMER
Year
2019
Subject
Chemistry
Chapter
Chemical Bonding and Molecular Structure

JIPMER 2019 · Chemistry · Chemical Bonding and Molecular Structure

Number of σ and π bonds in C_2 H_2 is respectively

Number of σ\sigma and π\pi bonds in C2H2\mathrm{C}_2 \mathrm{H}_2 is respectivelyNumber of σ and π bonds in C_2 H_2 is respectively

Options

  1. A2,3
  2. B3,2
  3. C4,2
  4. D2,4

Correct answer

B. 3,2

Step-by-step solution

Key Idea Single bond =1σ=1 \sigma, Double bond =1σ+1π=1 \sigma+1 \pi, Triple bond =1σ+2π=1 \sigma+2 \pi The structure of C2H2\mathrm{C}_2 \mathrm{H}_2 is Number of σ and π bonds in C_2 H_2 is respectively ∴\therefore Number of σ\sigma bonds =3=3 Number of π\pi bonds =2=2
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