OCR A Level Chemistry A
OCR A Level Chemistry A Nitrogen Compounds, Polymers and Synthesis Exam Questions
Free OCR A Level Chemistry A exam questions on Nitrogen Compounds, Polymers and Synthesis, with mark schemes. Covers amines, amides, amino acids, condensation polymers, C-C bond formation and synthesis.
Nitrogen Compounds, Polymers and Synthesis exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
About OCR A Level Chemistry A Nitrogen Compounds, Polymers and Synthesis
This topic covers nitrogen chemistry and polymers.
What you need to know
- Amines Basicity and preparation.
- Amino acids Zwitterions and chirality.
- Polymers Polyesters and polyamides; hydrolysis.
- Synthesis Forming C-C bonds with nitriles and Friedel-Crafts.
Common mistakes in Nitrogen Compounds, Polymers and Synthesis
- Missing water in condensation polymers.
- Drawing repeat units incorrectly.
- Forgetting nitrile hydrolysis forms acids.
Try three Nitrogen Compounds, Polymers and Synthesis exam-style questions
1. State one reaction that forms a C-C bond. (1 mark)
Show the mark scheme answer
Nucleophilic substitution with cyanide ions.
2. Name the link in a polyamide. (1 mark)
Show the mark scheme answer
Amide link.
3. Explain why amines are bases. (1 mark)
Show the mark scheme answer
The nitrogen lone pair accepts a proton.
Nitrogen Compounds, Polymers and Synthesis FAQs
What does this topic cover?
Amines, amino acids, polymers and synthesis.
Can condensation polymers biodegrade?
They can be hydrolysed, so are more biodegradable.
What is a chiral centre?
A carbon with four different groups.
Revise this topic with flashcards: OCR A Level Chemistry A H432 Flashcards, with mark scheme answers for Anki and Quizlet.