Chemistry A-Level
Trend in boiling points down Group 17
What Trend in boiling points down Group 17 means in Chemistry A-Level, as defined for OCR.
Definition of Trend in boiling points down Group 17
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Reference: OCR
The boiling point rises from Cl₂ to Br₂ to I₂ because stronger induced dipole–dipole interactions mean more energy is needed to overcome them, while the covalent bonds are not broken during boiling.
Topics that use Trend in boiling points down Group 17
- The halogens (OCR A-Level)
Related terms
- Ammonia solubility as a confirmatory test
- atomic radius
- Benefits versus risks
- Diatomic molecular structure of halogens
- Displacement reactions of halogens with halide ions
- Disproportionation
- Disproportionation of chlorine
- Electron shielding
Using Trend in boiling points down Group 17 in the exam
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