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ICSE Class 10 Answered

Why a filter paper dipped in potassium iodide turns brown when brought near HNO3 vapours
Asked by lovemaan5500 | 23 Oct, 2017, 05:23: PM
answered-by-expert Expert Answer
when filter paper dipped in potassium iodide brought near to HNO3 fumes, they form brown coloured iodine and nitrogen dioxide gas. 
 
2 K I space plus space 4 H N O subscript 3 space rightwards arrow with blank on top I subscript 2 space plus space 2 N O subscript 2 space plus space 2 K N O subscript 3 space plus space 2 H subscript 2 O
 
Answered by Ramandeep | 24 Oct, 2017, 12:14: PM

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ICSE 10 - Chemistry
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