React with Br2 & I2 Higher Question

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SUMMARY

The discussion centers on a chemistry homework question regarding the reactivity of certain ions with bromine (Br2) and iodine (I2). The correct answer is identified as C, Fe2+, which reacts with Br2 but not with I2. The reasoning involves understanding redox potentials and the differences in reactivity due to electronegativity and intermolecular forces. Participants emphasize the importance of these concepts in predicting chemical behavior.

PREREQUISITES
  • Understanding of redox potentials
  • Knowledge of electronegativity
  • Familiarity with intermolecular forces, including London dispersion forces
  • Basic concepts of chemical reactivity
NEXT STEPS
  • Research redox potential calculations for various ions
  • Study the differences in reactivity between halogens and their respective halides
  • Explore the role of electronegativity in chemical reactions
  • Learn about intermolecular forces and their impact on reactivity
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Chemistry students, educators, and anyone preparing for exams in inorganic chemistry or studying chemical reactivity and redox reactions.

CheesyPeeps
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Homework Statement


Which of the following will react with Br2 but not with I2?
A OH−
B SO3 2−
C Fe2+
D Mn2+

Homework Equations


N/A

The Attempt at a Solution


The answer given in the marking scheme is C, and I can't figure out how to come to that conclusion. Is it something to do with electronegativity? London dispersion forces? My exam is tomorrow morning and I'm freaking out about this just a little...!
 
Last edited:
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Redox potentials.
 
Borek said:
Redox potentials.

Ah, that makes sense! Thank you very much :smile:
 

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