NEET UG 2019 · Chemistry · Question 46
NEET 2019 Chemistry, question 46
Question 46 of the NEET 2019 paper (code P1) is a Chemistry question from Organic Chemistry - Some Basic Principles and Techniques. Its idea, Hybridisation and Sigma/Pi Bonds in Organic Molecules, was asked twice, in 2018 and 2019, across NEET 2017–2026. The NTA final answer key gives option 1.
Updated 2026-10-08
Q46 · Chemistry
The number of sigma (σ) and pi (π) bonds in pent-2-en-4-yne is :
- 110 σ bonds and 3 π bondsOfficial answer
- 28 σ bonds and 5 π bonds
- 311 σ bonds and 2 π bonds
- 413 σ bonds and no π bond
Official answer: option 1 · NTA final answer key
Same idea
Hybridisation and Sigma/Pi Bonds in Organic Molecules, in other papers
NEET asked this idea twice, in 2018 and 2019. The other question below.
- 2018 Q63Which of the following molecules represents the order of hybridisation , , sp, sp from left to right atoms ?One-line MCQ · Easy
Hybridisation and Sigma/Pi Bonds in Organic Molecules: every question and how it was framed
The chapter
Organic Chemistry - Some Basic Principles and Techniques in ten years of NEET
22 questions from 2017–2026, asked in 10 of 10 papers, about 2.1 a paper. Organic Nomenclature alone had 5.