Compound used in safety matches is :

P_{4} S_{3}

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P_{4}

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P_{2} O_{5}

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P C I_{3}

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Solution

The correct option is A $P_{4} S_{3}$
The compound $P_{4} S_{3}$ is used in matches. It reacts with oxygen to produce $P_{4} O_{10}$ and $S O_{2}$ .
$P_{4} S_{3} (s) + O_{2} (g) \to P_{4} O_{10} (s) + S O_{2} (g)$

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P_{4} (w h i t e) + S O C I_{2} - P C I_{3} + S O_{2} +^{'} x^{'}

N_{4}, P_{4}, P C I_{5}, N C I_{5}, P_{2} O_{5}, N O_{2}, P O_{2}

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