Chemical Engineering - Petroleum Refinery Engineering - Discussion


Olefins are

[A]. saturated hydrocarbons.
[B]. unsaturated cyclic compounds (hydrocarbons).
[C]. present in substantially good quantity in crude petroleum.
[D]. none of these.

Answer: Option D


No answer description available for this question.

Anand said: (Jun 9, 2015)  
Unsaturated hydrocarbons.

Jahanzeb said: (Mar 9, 2016)  
Unsaturated hydrocarbons (=) bond.

Brijesh Pathak said: (Sep 12, 2018)  
It is Unsaturated hydrocarbon.

Jay Chauhan said: (Sep 22, 2018)  
Olofins are unsaturated chain compound.

Devendra Kumar said: (Dec 18, 2018)  
Unsaturated hydrocarbons is the right answer.

Ravins Kumar said: (Jan 23, 2019)  
Answer B is right.

Ramesh Vishawkarma said: (Jul 7, 2019)  
Olefin, also called alkene, a compound made up of hydrogen and carbon that contains one or more pairs of carbon atoms linked by a double bond. Olefins are examples of unsaturated hydrocarbons (compounds that contain only hydrogen and carbon and at least one double or triple bond). They are classified in either or both of the following ways:

1) As cyclic or acyclic (aliphatic) olefins, in which the double bond is located between carbon atoms forming part of a cyclic (closed-ring) or of an open-chain grouping, respectively.

2. Mono Olefins, di Olefins, tri Olefins, etc. in which the number of double bonds per molecule is, respectively, one, two, three, or some other number.

Kapil said: (Nov 21, 2019)  
It is an unsaturated hydrocarbon that contains at least one carbon-carbon double bond.

Shubhrajit said: (Jan 7, 2020)  
It should be Option B. Agree @Answer B.

Deepak said: (Jan 24, 2020)  
I think the correct option is B.

Nirav Chavda said: (Aug 18, 2020)  
The right answer is D. Because olefins is double bond unsaturated compound not cyclic.

Manoj said: (May 28, 2021)  
Unsaturated hydrocarbon.

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