I. When phosphine is heated with air, it burns to give meta phosphoric – InterviewSolution

1.	I. When phosphine is heated with air, it burns to give meta phosphoric acid. II. Nitrogen is used for the manufacture of ammonia. III. Phosphine is weakly basic and forms phosphonium salts with acids. IV. Phosphine forms coordination compound with Lewis base.
Answer» I and III only II and IV only I, II and III only I, II, III and IV Answer :A::C::D

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