Edexcel International A Level Chemistry Topic 5 Alkenes banner showing a carbon carbon double bond with CH3 and hydrogen groups attached

Alkenes – Topic 5

(6 customer reviews)

£9.99

Associated Courses

Taught in full. 143 minutes of video.

  1. A carbon to carbon double bond with its pi bond above and below
    Alkene Bonding25 min
  2. E and Z isomers of but-2-ene
    Geometric Isomerism33 min
  3. Curly arrows from a double bond to hydrogen bromide
    Electrophilic Addition58 min
  4. A repeat unit of poly(ethene) in brackets
    Polymerisation & Polymer Waste27 min
A laptop playing a lesson
  1. Watch
  2. Pause and try the exam question
  3. Check the worked answer

Watch a minute of each lesson.

Short clips cut from the course itself.

  1. How two p orbitals make a pi bond

  2. Why these two molecules can never be the same

  3. The first two steps of electrophilic addition

  4. Writing the equation for poly(propene)

  • 17hoursguided learning
  • 143minof video lessons
  • 90MCQ marks
  • 332SAQ marks

See exactly where your marks are lost.

An example KASP report: each Topic 5 spec point with a coloured score bar
One-click progress report
  • Secure 70%+
  • Developing 40–69%
  • Weak below 40%
  • Not yet assessed
  • Every question tagged to a spec point
  • Updates after every quiz
  • 26 of 26 spec points covered

Your report, spec point by spec point.

An example of the colour-coded report for this topic.

A Level Chemistry progress report for Alkenes Topic 5 Edexcel International showing student performance across specification points with colour coded levels for understanding

90 exam questions. Feedback on every option.

A multiple-choice question: the wrong option B shows why it is wrong, the right option D is ticked
Feeds your KASP report
  • 5quizzes
  • 18questions each
  • 1attempt per quiz

Try one. It is a real question from the course.

Tap an answer to see the feedback for it.

When hydrogen chloride, HCl, reacts with but-1-ene, a higher percentage of 2-chlorobutane forms than 1-chlorobutane. Which is the best explanation for this?

A1-chlorobutane is more stable than 2-chlorobutane

Not quite. This is incorrect because product stability is not the best explanation for the major product. The key factor is the stability of the carbocation intermediate formed during electrophilic addition.

B2-chlorobutane is more stable than 1-chlorobutane

Not quite. This identifies the major product but gives the wrong reason. The reaction pathway is controlled mainly by the relative stability of the carbocation intermediate.

Ca primary carbocation is more stable than a secondary carbocation

Not quite. This reverses the correct stability order. A secondary carbocation is more stable than a primary carbocation due to electron donation from alkyl groups.

Da secondary carbocation is more stable than a primary carbocation

Correct. This is correct because the pathway forming the secondary carbocation is favoured. Chloride ion then attacks this intermediate to form more 2-chlorobutane.

Marked by a teacher. Assisted by KASP.

KASP drafts the marks
A student's handwritten mechanism on a tablet, with two marking points boxed in green and one in orange
Teacher decides every mark
  1. MonSubmit
  2. TueSubmit
  3. WedSubmit
  4. ThuSubmit
  5. FriSubmit
  6. Sat–SunTeacher + KASP mark
  7. MonFeedback back

Every SAQ is marked by a specialist chemistry teacher, assisted by KASP. One SAQ quiz is marked each week.

What you get back. Every mark explained.

Marked answers from this course, exactly as a student sees them.

  1. A drawn mechanismEvery marking point boxed on your own drawing, and why each mark was or was not given.
    A marked mechanism question: the student's curly arrows with each marking point boxed green or orange, and the mark scheme
    The worked answer shown after markingThe teacher's comment to the student
  2. A calculationYour handwritten working, marked against the mark scheme.
    A marked calculation: the student's handwritten working and the awarded mark
    The worked answer shown after markingThe teacher's comment to the student
  3. A written answerThe words that earned the mark, and the ones that did not, highlighted.
    A marked written answer with the creditworthy and incorrect parts highlighted
    The worked answer shown after markingThe teacher's comment to the student
  • 12quizzes
  • 170questions
  • 332marks
  • 1quiz marked each week

Not all writing. You draw and calculate too.

How the 170 questions split.

Written
91
Drawing
62
Calculation
15
Graph
2
5.0

6 reviews

Every one from a verified owner of this course.

6 reviews for Alkenes – Topic 5

  1. Fatima (verified owner) –

    I failed my first attempt of unit 1 edexcel international chemistry, mainly because i did not understand alkenes topic because our teacher was terrible at organic chemistry. I was a few marks away from passing! im so happy I came across this website, because it allows me to just purchase the topic i need help in! the study notes was amazing, you are tested with questions, and then the video with the chemistry specialist is absolutely shockingly amazing, he goes through the topic in detail and goes through exam questions step by step, with thought processes on how to approach specific exam questions and what the examiner wants! Then there is a quiz (exam questions) that he marks and returns with a report specifying which parts of the specification related to alkenes i need to work on. Then there is a bunch of exam multiple choice questions with instant feedback which was very helpful with short answer written exam questiosn that he also marks with feedback! The amount you get for this price is shocking! it may seem expensive at first, but i was paying approximately half the amount of this course for 1 hour of tuition, and i had 3 hours tuition a week! Highly recommend this course!!!

  2. Khan (verified owner) –

    The course taught by the Chemistry Specialist helped improve my confidence in Chemistry and made the subject much clearer to understand. The lessons were very structured, and the recorded videos explain the topics clearly while answering the kinds of questions students often have when learning the material. What I found especially useful was being able to practise using the MCQs, SAQs, and assignments, which helped reinforce the concepts rather than just looking at a mark scheme. The explanations focus on understanding the chemistry behind the questions, which makes it easier to apply the knowledge in exam-style problems. The course also helped increase my overall confidence because everything is organised clearly and the practice questions allow you to test your understanding as you progress. Overall, every lesson felt beneficial and helped build a stronger understanding of the topic.

  3. Jumana (verified owner) –

    The course taught by the Chemistry Specialist has really improved my confidence in Chemistry, and I now feel much more confident with the subject than before. What I found most helpful was the way the content explains how and why things work rather than just asking us to memorise facts. The recorded lesson videos break down complex ideas clearly, and the diagrams and visual explanations make the theory much easier to understand. The MCQs, SAQs, and assignments also helped a lot because they allowed me to practise applying the concepts and check my understanding as I worked through the course. Everything feels well structured and clearly prepared, which makes it easier to see the bigger picture of the topic. Using the course resources also helped me become more consistent with revising previous topics and practising exam-style questions. Overall, the course made Chemistry feel much more approachable and less intimidating because difficult concepts are explained step by step and supported with practice questions that help reinforce what you learn.

  4. Latifa (verified owner) –

    The Topic 5 Alkenes course helped increase my confidence in Chemistry a lot. The lesson materials and resources were very organised, which made it easy to follow the topic without worrying about where to find things. The recorded explanations and practice questions helped me understand the concepts more clearly, and the course overall helped improve my understanding of the topic significantly.

  5. Linda (verified owner) –

    The Topic 5 Alkenes course really helped improve my confidence in Chemistry. The videos explain the topics step by step and make the harder ideas much easier to understand. I also found the diagrams and examples really helpful because they show how the theory actually works instead of just memorising it. Overall it made the topic feel much clearer and easier to revise.

  6. Sara (verified owner) –

    I studied the T5 Alkenes course from Abu Dhabi and it really helped improve my confidence with the topic. The Chemistry Specialist explains complex ideas in a very clear and simple way, which made the reactions and mechanisms much easier to understand. The lessons are very well organised and the recorded videos meant I could go back and review anything I didn’t fully understand. The notes and online quizzes were also really helpful for reinforcing the material and preparing for exam-style questions. Overall, the course made the topic much easier to grasp and helped me focus on actually understanding the chemistry rather than just memorising it.

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All 26 Topic 5 spec points. Assessed.

Edexcel International A Level Chemistry, Unit 1, Topic 5: Alkenes.

  • 5.1General formula, σ and π bonds
  • 5.2Geometric isomerism
  • 5.3E–Z naming
  • 5.4Addition reactions
  • 5.5The bromine water test
  • 5.6Electrophilic addition mechanism
  • 5.7Addition polymerisation
  • 5.8Polymer waste

The whole of Topic 5, for £9.99.

143 minutes of video, 90 MCQs, 332 SAQ marks marked by a teacher, assisted by KASP.

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