Flame Test
A colorless salt imparts a persistent golden-yellow color to the flame. The cation most likely present is:
Select the correct option:
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About This Question
- Subject
- chemistry
- Chapter
- principles related to practical chemistry
- Topic
- flame test
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Na+
Sodium salts produce an intense and persistent golden-yellow flame due to strong emission around 589 nm. Potassium gives lilac, calcium gives brick red, and barium gives apple green, so the observed color identifies Na+.
This easy difficulty chemistry question is from the chapter principles related to practical chemistry, covering the topic of flame test. It appeared in the 2025 exam.
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