IB DP Chemistry Mock Exam HL Paper 1B Set 4 - 2025 Syllabus
IB DP Chemistry Mock Exam HL Paper 1B Set 4
Prepare for the IB DP Chemistry Exam with our comprehensive IB DP Chemistry Exam Mock Exam HL Paper 1B Set 4. Test your knowledge and understanding of key concepts with challenging questions covering all essential topics. Identify areas for improvement and boost your confidence for the real exam
Question
The structural formulae of two esters of formula \(C_3H_6O_2\) are shown.
(a) (i) Deduce the number of signals you would expect to find in the \(^1\)H NMR spectrum of each compound.
(ii) Outline why infrared spectroscopy is not used to differentiate between the two esters.
Answer/Explanation
Answer:
(a) (i) 
(ii) same types of bonds «present in both molecules»
OR
same wavenumbers absorbed