三氟化氮（NF3）是一种无色无味的气体，它是氨（NH3）和氟（F2）在

三氟化氮（NF₃）是一种无色无味的气体，它是氨（NH₃）和氟（F₂）在一定条件下直接反应得到的：4NH₃＋3F₂＝NF₃＋3NH₄F 。下列有关NF₃的叙述正确的是（　　）

A．NF₃是离子化合物　　　　　 B．NF₃的还原性比NH₃强

C．NF₃的氧化性比F₂强　　　　 D．NF₃中的N呈＋3价

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三氟化氮（NF3）是一种无色无味的气体，它是氨（NH3）和氟（F2）在

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