Skip to content

Crunch Chemistry

The ultimate A level chemistry resource

  • Fundamentals
    • Maths skills for chemists
    • Calculations for AS and A level Chemistry
    • Working with gases
    • Atoms and ions
    • Bonding and Structure
    • Environmental chemistry
  • Inorganic chemistry
    • Redox reactions
    • Explaining the chemistry of Group 2 metals
    • Explaining the chemistry of the Group 7, the halogens
    • Bonding in the nitrogen oxides and oxyanions
    • Trends in Period 3
    • Transition metal chemistry
  • Organic chemistry
    • How do organic reactions actually happen?
    • Stabilising carbocations through inductive and mesomeric effects
    • Alkanes and Crude Oil
    • Alkenes
    • Halogenoalkanes
    • Alcohols
    • Carbonyl compounds
    • Organic nitrogen compounds
    • Benzene and other aromatic molecules
  • Physical chemistry
    • Acids, bases, buffers and pH
    • Chemical equilibria
    • Electrochemistry
    • Enthalpy changes
    • Entropy
    • Reaction kinetics
    • Solubility
  • Analytical chemistry
    • How does electromagnetic radiation affect molecules?
    • Atomic absorption and emission spectroscopy
    • Mass spectrometry
    • Infrared spectroscopy
    • Nuclear magnetic resonance spectroscopy
    • Mixed spectra long answer exam question practice
    • Everything you need to know about chromatography
    • Qualitative analysis
  • Newsletters …
  • 1:1 chemistry tuition …

Tag: IR spectrum

Cat Links Analytical chemistry, Exam question practice, Spectroscopy

Mixed spectra long answer exam question practice

Posted on April 10, 2025April 14, 2025 Sarah Parkes

This is a set of more difficult long answer exam questions that require you to use data from mass spectra,

Continue readingMixed spectra long answer exam question practice

Cat Links Analytical chemistry, Spectroscopy

Interpreting an infrared spectrum

Posted on January 12, 2023May 5, 2025 Sarah Parkes

An IR spectrum plots of the percentage of radiation that passes through a sample (transmittance) vs. the wavenumber of the

Continue readingInterpreting an infrared spectrum

Recent Posts

  • Amides and polyamides
  • The chemistry of amines
  • Don’t know what your calculations mean? You’re not alone!
  • Mixed spectra long answer exam question practice
  • Understanding the structure of benzene

Recent Comments

No comments to show.
  • Contact me!
  • About me ….
Copyright © 2025 Crunch Chemistry | Signify Education by WEN Themes
Scroll Up