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What type of agent is PCl5 when it reacts with H2?

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in Chemistry – Class 12 by (188k points)
What type of agent is PCl5 when it reacts with H2?

(a) Reducing agent

(b) Oxidising agent

(c) Both reducing and oxidising

(d) Neither reducing nor oxidising

I have been asked this question during an online exam.

Question is from P-Block Elements in chapter P-Block Elements of Chemistry – Class 12

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Right answer is (b) Oxidising agent

Easy explanation: PCl5 reacts with H2 to form PCl3.

PCl5 + H2 → PCl3 + 2HCl

In this reaction, PCl5 acts as an oxidising agent and thus oxidises H2 to HCl.

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