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Chemistry

How Counterions Influence the Stability of Ionic Liquids

Quick fact

Some ionic liquids remain liquid down to -96°C, a staggering contrast to traditional salts that require extreme heat to melt.

Why this is interesting

Think of a salt like table salt—it melts at 800°C. Yet, by swapping one of its ions for a bulky, awkward partner, the same salt becomes a liquid at room temperature. What's the secret?