<p><b>氟磺酸氟</b>，化學式 FSO<sub>3</sub>F，形式上是氟的氟磺酸鹽，但其中的氟並不是以陽離子形式存在的。
</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>氟磺酸氟可以由三氧化硫和氟氣在 200 °C 下反應而成。</p><p><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {SO3 + F2 -&gt; FOSO2F}}}">
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</p>
<h2><span id=".E6.80.A7.E8.B4.A8"></span><span id="性质">性質</span></h2>
<p>氟磺酸氟是一種強氧化劑，可能爆炸。</p><p>它和鹼反應，產生氟磺酸鹽、氟化物、水和氧氣。</p><p><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {FSO3F + 2 OH- -&gt; SO3F- + F- + H2O + 1/2O2}}}">
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</p><p>它和碘化鉀反應，形成氟磺酸鉀、氟化鉀和碘。</p><p><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {FSO3F + 2 KI -&gt; KSO3F + KF + I2}}}">
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</p>
<h2><span id=".E5.8F.82.E8.80.83.E8.B5.84.E6.96.99"></span><span id="参考资料">參考資料</span></h2>
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**氟磺酸氟**，化學式 FSO3F，形式上是氟的氟磺酸鹽，但其中的氟並不是以陽離子形式存在的。

## 製備

氟磺酸氟可以由三氧化硫和氟氣在 200 °C 下反應而成。

$$
{\ce {SO3 + F2 -> FOSO2F}}
$$

## 性質

氟磺酸氟是一種強氧化劑，可能爆炸。

它和鹼反應，產生氟磺酸鹽、氟化物、水和氧氣。

$$
{\ce {FSO3F + 2 OH- -> SO3F- + F- + H2O + 1/2O2}}
$$

它和碘化鉀反應，形成氟磺酸鉀、氟化鉀和碘。

$$
{\ce {FSO3F + 2 KI -> KSO3F + KF + I2}}
$$

## 參考資料
13536-85-1