<p><b>二氯氧釩</b>是一種無機化合物，化學式為VOCl<sub>2</sub>。它在384±3 °C分解。</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>二氯氧釩可由三氯氧釩與硫或硫化氫的還原反應製得。
</p>
<dl><dd>2 VOCl<sub>3</sub> + 2 S → 2 VOCl<sub>2</sub> + S<sub>2</sub>Cl<sub>2</sub></dd>
<dd>2 VOCl<sub>3</sub> + H<sub>2</sub>S → 2 VOCl<sub>2</sub> + S + 2 HCl
<dl><dd><small>2 VOCl<sub>3</sub> + S<sub>2</sub>Cl<sub>2</sub> → 2 VCl<sub>4</sub> + S + SO<sub>2</sub>（副反應）</small></dd>
<dd><small>2 VCl<sub>4</sub> + H<sub>2</sub>S → 2 VCl<sub>3</sub> + S + 2 HCl</small></dd></dl></dd></dl><h2><span id=".E5.8F.82.E8.80.83.E6.96.87.E7.8C.AE"></span><span id="参考文献">參考文獻</span></h2>

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**二氯氧釩**是一種無機化合物，化學式為 VOCl2。它在 384±3 °C 分解。

## 製備

二氯氧釩可由三氯氧釩與硫或硫化氫的還原反應製得。

　
: 2 VOCl3 + 2 S → 2 VOCl2 + S2Cl2

　
: 2 VOCl3 + H2S → 2 VOCl2 + S + 2 HCl

　
: 2 VOCl3 + S2Cl2 → 2 VCl4 + S + SO2（副反應）

　
: 2 VCl4 + H2S → 2 VCl3 + S + 2 HCl

## 參考文獻
10213-09-9