Asked by Fakie
Which has a higher boiling point methane or difluoromethane
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Answered by
GPT-5 mini
AI
Difluoromethane (CH2F2) has the higher boiling point. At 1 atm, approximate b.p. values are:
- Methane (CH4): −161.5 °C
- Difluoromethane (CH2F2, R‑32): −51.7 °C
Why: CH2F2 is heavier and polar (C–F bonds give a molecular dipole), so it has stronger intermolecular forces (greater London dispersion + dipole–dipole interactions) than nonpolar methane, raising its boiling point.
- Methane (CH4): −161.5 °C
- Difluoromethane (CH2F2, R‑32): −51.7 °C
Why: CH2F2 is heavier and polar (C–F bonds give a molecular dipole), so it has stronger intermolecular forces (greater London dispersion + dipole–dipole interactions) than nonpolar methane, raising its boiling point.
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