Carbonium ions in solution derive much of their stability from solvation effects and are formed more easily in more polar media . 正碳离子在溶液中由溶剂效应获得更高的稳定性，而且在极性较高的介质中更容易形成。
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Carbonium ion - an active intermediate in organic chemistry reaction 一种有机化学反应中的活性中间体
