The correct answer is D:one sigma and two bonds In alkynes is present, in such bond one sigma and two -bonds are present. Sigma bond is formed by sp-hybrid orbitals whereas -bonds are formed by unhybridised orbitals. Hence, it shows cylindrical shape.
02
PYQ 2014
medium
chemistryID: neet-ug-
Which of the following organic compounds has same hybridization as its combustion product CO2 ?
1
Ethyne
2
Ethene
3
Ethanol
4
Ethane
Official Solution
Correct Option:
(1)
The correct option (A): Ethyne.
03
PYQ 2014
medium
chemistryID: neet-ug-
Identify in the sequence of reactions:
1
2
3
4
Official Solution
Correct Option:
(4)
The correct option (D): .
04
PYQ 2017
medium
chemistryID: neet-ug-
Predict the correct intermediate and product in the following reaction.
1
2
3
4
Official Solution
Correct Option:
(4)
The correct option is (D): .
05
PYQ 2017
medium
chemistryID: neet-ug-
Which one is the correct order of acidity?
1
2
3
4
Official Solution
Correct Option:
(2)
The correct option is (B): .
About Alkynes - NEET-UG
Alkynes is a vital chapter for NEET-UG aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Alkynes PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Alkynes carry the most weight. Then, tackle the questions iteratively to solidify your understanding.