Iodine crystals are added to liquor ammonia and the brown precipitate so formed is separated, dried and spread on floor. On walking over the precipitate harmless explosion occurs releasing coloured gas. The ppt. and coloured gas are respectively

Question

Iodine crystals are added to liquor ammonia and the brown precipitate so formed is separated, dried and spread on floor. On walking over the precipitate harmless explosion occurs releasing coloured gas. The ppt. and coloured gas are respectively, N I 3 , I 2, N H 4 I and I 2, N H 3 N I 3 , I 2, N H 3 N I 3 , I 2 O 5

MARKS App · Accepted Answer

The precipitate and coloured gas are N H 3 N I 3 and I 2 respectively 2 I 2 + 3 N H 3 → N H 3 N I 3 p p t . + 3 H I 8 N H 3 N I 3 → 6 N H 4 I + 9 I 2 + 6 N 2

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