A white solid imparts a violet colour to a Bunsen flame. On being heated with concentrated H2SO4, th — Qualitative and Quantitative Analysis Chemistry Question
Question
A white solid imparts a violet colour to a Bunsen flame. On being heated with concentrated H2SO4, the solid gives violet vapours that turns starch paper blue. The salt may be:
Answer: B
💡 Solution & Explanation
A violet flame indicates K+. Violet vapours with conc. H2SO4 turning starch paper blue indicate I2 (from an iodide). Hence, KI.
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