Modification of Alkanes by Cracking (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What bonds does cracking break in long-chain alkanes?
What bonds does cracking break in long-chain alkanes?
Carbon-carbon () bonds
What temperature range is used in thermal cracking?
What temperature range is used in thermal cracking?
700-1200 K
What is the main type of product from thermal cracking?
What is the main type of product from thermal cracking?
High percentage of alkenes
Which catalyst is used in catalytic cracking?
Which catalyst is used in catalytic cracking?
Zeolite
What products does catalytic cracking mainly produce?
What products does catalytic cracking mainly produce?
Motor fuels and aromatic hydrocarbons
Why are short-chain alkanes better fuels?
Why are short-chain alkanes better fuels?
More volatile and burn more easily
What does fractional distillation of crude oil produce in surplus?
What does fractional distillation of crude oil produce in surplus?
Long-chain hydrocarbons
What is a disadvantage of long-chain hydrocarbons as fuels?
What is a disadvantage of long-chain hydrocarbons as fuels?
Harder to ignite
In the cracking of decane (), what products are formed?
In the cracking of decane (), what products are formed?
and
Why are short-chain alkenes valuable in industry?
Why are short-chain alkenes valuable in industry?
More reactive, used for polymer feedstock