A filter paper soaked in salt X tums brown when exposed to `HNO_(3)` capor. The salt X is

Question

A filter paper soaked in salt X tums brown when exposed to `HNO_(3)` capor. The salt X is

A filter paper soaked in salt X tums brown when exposed to `HNO_(3)` capor. The salt X is
A. KCl
B. KBr
C. Kl
D. `K_(2)SO_(4)`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
`2KI+4HNO_(3)toI_(2)+2NO_(2)+2KNO_(3)+2H_(2)O`
Iodide ion is a strong reducing agent and reduces `HNO_(3)" vapours to " NO_(2)` (Brown gas)

4 views Answered 2023-02-05 15:29