Oil Refining Processes Quiz
61 Questions
4 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which type of molecule has two unsaturated bonds?

  • Alkenes
  • Arenes
  • Alkanes
  • Alkynes (correct)

What percentage of the world's energy is consumed by manufacturing?

  • 75%
  • 10%
  • 50% (correct)
  • 25%

What is the driving force for a reaction?

  • Enthalpy (correct)
  • Activation Energy
  • Catalysis
  • Entropy

Which process is commonly used to separate different fractions of crude oil?

<p>Distillation (A)</p> Signup and view all the answers

What is the boiling point range of heavy gas or fuel oil?

<p>370 - 600°C (A)</p> Signup and view all the answers

Which process increases the octane number of gasoline?

<p>Reforming (D)</p> Signup and view all the answers

What are the products obtained from the cracking process?

<p>Lower molecular weight products (D)</p> Signup and view all the answers

Which hydrocarbon source has the highest H:C ratio?

<p>Natural gas (A)</p> Signup and view all the answers

Which type of coal has the lowest H:C ratio?

<p>Anthracite (B)</p> Signup and view all the answers

What is the main purpose of superacid catalysis in processing heavy oils?

<p>To decrease the level of organometallics (B)</p> Signup and view all the answers

What is the primary function of the Fischer-Tropsch (F-T) chemistry?

<p>To convert coal to liquid hydrocarbons (C)</p> Signup and view all the answers

Which type of reactions involve high temperature conversion processes of hydrocarbons?

<p>Homolytic reactions (A)</p> Signup and view all the answers

Which type of reactions are responsible for electrophilic conversions in acid catalyzed reactions of unsaturated hydrocarbons?

<p>Heterolytic reactions (B)</p> Signup and view all the answers

Which type of reactions are less common in hydrocarbon conversions, but when they occur, intermediate carbanions are formed?

<p>Ionic reactions (C)</p> Signup and view all the answers

What are the main uses of refined petroleum products?

<p>Transportation fuels, space heating fuels, power generation fuels, feedstock for chemicals and plastics, components for lubricants (C)</p> Signup and view all the answers

Which of the following is a reason why coal, tar sands, and natural gas are less preferred than crude oil?

<p>They have lower energy density (C)</p> Signup and view all the answers

Why will petroleum chemistry still be relevant even if petroleum use is less favored in the future?

<p>Petroleum chemistry is necessary for the production of plastics and other petrochemical products (B)</p> Signup and view all the answers

Does the use of a catalyst in petroleum processing change the equilibrium constant or heat of reaction compared to the situation without a catalyst?

<p>No, the catalyst does not affect the equilibrium constant or heat of reaction (C)</p> Signup and view all the answers

Why does petroleum processing or C1 chemistry play an important role in ammonia manufacture?

<p>Petroleum processing provides the raw materials for ammonia production (A)</p> Signup and view all the answers

Which type of hydrocarbon has a benzene parent and a delocalized p system?

<p>Arenes (A)</p> Signup and view all the answers

What is the general formula for alkenes?

<p>CnH2n (A)</p> Signup and view all the answers

Which factor determines the stability of reactants and products in a chemical reaction?

<p>Gibbs Free Energy (B)</p> Signup and view all the answers

Which process is used to increase the octane number of gasoline?

<p>Reforming (D)</p> Signup and view all the answers

What is the main purpose of alkylation in hydrocarbon processing?

<p>To produce high octane gasoline (C)</p> Signup and view all the answers

Which type of hydrocarbon has the highest boiling point range?

<p>Residuals (C)</p> Signup and view all the answers

What is the main purpose of distillation in oil refining?

<p>To separate different fractions of crude oil (B)</p> Signup and view all the answers

Which hydrocarbon source has the lowest H:C ratio?

<p>Tar sand bitumen (B)</p> Signup and view all the answers

What is the primary function of the Fischer-Tropsch (F-T) chemistry?

<p>To convert coals to liquid hydrocarbons (C)</p> Signup and view all the answers

What is the main purpose of superacid catalysis in processing heavy oils?

<p>To convert heavy oils to clean liquid fuels (C)</p> Signup and view all the answers

Which type of coal has the highest H:C ratio?

<p>Lignite (A)</p> Signup and view all the answers

Which type of hydrocarbon conversion reactions involve high temperature processes such as combustion and thermal cracking?

<p>Homolytic reactions (A)</p> Signup and view all the answers

What is the main purpose of acid catalyzed reactions in hydrocarbon conversions?

<p>To initiate electrophilic conversions (D)</p> Signup and view all the answers

Which type of hydrocarbon conversion reactions involve the alkylation of alkylarenes in the benzylic position?

<p>Base catalyzed reactions (C)</p> Signup and view all the answers

What are the main uses of refined petroleum products?

<p>Transportation fuels, fuels for space heating, fuels for power generation, feedstock for chemicals and plastics, components for lubricants (D)</p> Signup and view all the answers

Why are coal, tar sands, and natural gas less preferred than crude oil?

<p>They have higher carbon emissions than crude oil. (B)</p> Signup and view all the answers

Why is petroleum chemistry still relevant even if petroleum use is less favored in the future?

<p>Petroleum chemistry is important for the production of plastics and other petrochemical products. (C)</p> Signup and view all the answers

Does the use of a catalyst in petroleum processing change the equilibrium constant or heat of reaction compared to the situation without a catalyst?

<p>No, the use of a catalyst does not change the equilibrium constant or heat of reaction. (B)</p> Signup and view all the answers

Why does petroleum processing or C1 chemistry play an important role in ammonia manufacture?

<p>Petroleum processing provides the raw materials for ammonia production. (D)</p> Signup and view all the answers

Which of the following is a reason why coal, tar sands, and natural gas are less preferred than crude oil?

<p>They have lower energy content per unit volume compared to crude oil. (A)</p> Signup and view all the answers

Why will petroleum chemistry still be relevant even if petroleum use is less favored in the future?

<p>Petroleum chemistry is essential for the production of various petrochemicals and polymers. (A)</p> Signup and view all the answers

Does the use of a catalyst in petroleum processing change the equilibrium constant or heat of reaction compared to the situation without a catalyst?

<p>It depends on the specific reaction and conditions. (B)</p> Signup and view all the answers

Why does petroleum processing or C1 chemistry play an important role in ammonia manufacture?

<p>Petroleum processing provides the necessary raw materials for ammonia production. (B)</p> Signup and view all the answers

Which type of hydrocarbon has a benzene parent and a delocalized p system?

<p>Arenes (A)</p> Signup and view all the answers

What is the primary function of the Fischer-Tropsch (F-T) chemistry?

<p>To convert syngas into liquid hydrocarbons (A)</p> Signup and view all the answers

Which factor determines the stability of reactants and products in a chemical reaction?

<p>Driving force (C)</p> Signup and view all the answers

Which hydrocarbon source has the highest H:C ratio?

<p>Natural gas (A)</p> Signup and view all the answers

What is the boiling point range of heavy gas or fuel oil?

<p>Above 300°C (C)</p> Signup and view all the answers

Which type of hydrocarbon has the highest boiling point range?

<p>Tar sands (C)</p> Signup and view all the answers

What is the primary function of superacid catalysis in processing heavy oils?

<p>To break down complex structures (A)</p> Signup and view all the answers

Which process is commonly used to separate different fractions of crude oil?

<p>Distillation (B)</p> Signup and view all the answers

What is the primary function of alkylation in hydrocarbon processing?

<p>To increase the octane number of gasoline (C)</p> Signup and view all the answers

What is the main purpose of superacid catalysis in processing heavy oils?

<p>To convert heavy oils into lighter fractions (B)</p> Signup and view all the answers

Which type of hydrocarbon conversion reactions involve high temperature processes such as combustion and thermal cracking?

<p>Cracking (A)</p> Signup and view all the answers

Which of the following is a reason why coal, tar sands, and natural gas are less preferred than crude oil?

<p>They have a lower energy density than crude oil (C)</p> Signup and view all the answers

Why does petroleum processing or C1 chemistry play an important role in ammonia manufacture?

<p>Petroleum processing provides the raw materials needed for ammonia production (D)</p> Signup and view all the answers

What is the primary function of the Fischer-Tropsch (F-T) chemistry?

<p>To convert biomass into biofuels (A)</p> Signup and view all the answers

When buying gas appliances, why do you have to specify whether you are using LPG or NG?

<p>LPG and NG have different combustion temperatures (D)</p> Signup and view all the answers

Which type of hydrocarbon conversion reactions involve the removal of H2 by an oxidant?

<p>Condensation* (B)</p> Signup and view all the answers

Which type of reactions involve the cleavage of longer chain alkanes, resulting in the predominance of C3 - C6 products?

<p>Homolytic (free radical) reactions (D)</p> Signup and view all the answers

Which type of reactions involve the formation of carbocations responsible for electrophilic conversions in acid catalyzed reactions of unsaturated hydrocarbons?

<p>Heterolytic (ionic) reactions (A)</p> Signup and view all the answers

Which type of reactions involve base catalyzed alkylation of alkylarenes in the benzylic position?

<p>Heterolytic (base catalyzed) reactions (D)</p> Signup and view all the answers

Flashcards

Alkynes

Molecules with two unsaturated bonds.

Manufacturing energy consumption

50% of the world's energy is consumed by manufacturing.

Driving force of a reaction

Enthalpy is the primary driving force for a chemical reaction.

Distillation

Common process to separate fractions of crude oil.

Signup and view all the flashcards

Boiling point of heavy fuel oil

Range is between 370 - 600°C.

Signup and view all the flashcards

Reforming

Process that increases the octane number of gasoline.

Signup and view all the flashcards

Cracking products

Lower molecular weight products are obtained from cracking.

Signup and view all the flashcards

Highest H:C ratio

Natural gas has the highest H:C ratio among hydrocarbons.

Signup and view all the flashcards

Lowest H:C ratio coal

Anthracite coal has the lowest H:C ratio.

Signup and view all the flashcards

Superacid catalysis purpose

Decreases organometallic levels in heavy oils.

Signup and view all the flashcards

Fischer-Tropsch chemistry

Converts coal to liquid hydrocarbons.

Signup and view all the flashcards

Homolytic reactions

Reactions involving high temperature conversions of hydrocarbons.

Signup and view all the flashcards

Heterolytic reactions

Reactions responsible for electrophilic conversions in unsaturated hydrocarbons.

Signup and view all the flashcards

Ionic reactions

Less common reactions forming intermediate carbanions.

Signup and view all the flashcards

Uses of refined petroleum

Includes fuels for transportation, heating, and chemicals.

Signup and view all the flashcards

Preference for crude oil

Coal, tar sands, and natural gas are less preferred due to lower energy density.

Signup and view all the flashcards

Relevance of petroleum chemistry

Still necessary for producing plastics and petrochemicals.

Signup and view all the flashcards

Catalyst effects

Catalysts do not change equilibrium constant or heat of reaction.

Signup and view all the flashcards

C1 chemistry in ammonia manufacture

Petroleum processing provides raw materials for ammonia production.

Signup and view all the flashcards

Arenes

Hydrocarbons with a benzene parent and a delocalized p system.

Signup and view all the flashcards

General formula for alkenes

The formula is CnH2n for alkenes.

Signup and view all the flashcards

Gibbs Free Energy

Determines stability of reactants and products in a reaction.

Signup and view all the flashcards

Alkylation purpose

Used to produce high octane gasoline.

Signup and view all the flashcards

Highest boiling point hydrocarbons

Tar sands have the highest boiling point range.

Signup and view all the flashcards

Distillation in oil refining

Main purpose is to separate different crude oil fractions.

Signup and view all the flashcards

Lowest H:C ratio source

Tar sand bitumen has the lowest H:C ratio.

Signup and view all the flashcards

Coal with highest H:C ratio

Lignite coal has the highest H:C ratio.

Signup and view all the flashcards

Homolytic reactions in hydrocarbons

Involves high-temperature processes like combustion.

Signup and view all the flashcards

Acid catalyzed reactions in hydrocarbons

Initiate electrophilic conversions in hydrocarbons.

Signup and view all the flashcards

Base catalyzed reactions

Involve alkylation of alkylarenes in benzylic positions.

Signup and view all the flashcards

More Like This

Use Quizgecko on...
Browser
Browser