Understand the effect of light energy on a redox reaction.
- Understand and demonstrate redox reactions
- Aligned to NGSS practices
- Cross cutting concepts: patterns
- Disciplinary core ideas: PS1.A, PS1.B
- Learn engineering practices: analyzing and interpreting data
In this lab a thionin-iron solution is prepared. Exposing the solution to light energy causes the colored thionin to be reduced by iron (II) ions, resulting in a clear solution. When half of the solution, in a single container, is exposed to light it will turn clear while the half not exposed to light will remain colored.
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