# Why hot water freezes faster than cold water? [closed]

When we put cold water in the fridge it takes time to freeze but hot water is fast in freezing.Why?

## closed as off-topic by airhuff, Todd Minehardt, aventurin, Tyberius, Jon CusterApr 6 '18 at 20:36

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Now Xi and co say hydrogen bonds also explain the Mpemba effect. Their key idea is that hydrogen bonds bring water molecules into close contact and when this happens the natural repulsion between the molecules causes the covalent $\ce{O-H}$ bonds to stretch and store energy.