A metallic salt imparts a brick-red colour to the Bunsen flame. The metal cation is most likely: — Qualitative and Quantitative Analysis Chemistry Question

💡 Solution & Explanation

In the flame test, calcium ($Ca^{2+}$) gives a brick-red flame. Barium ($Ba^{2+}$) gives an apple-green flame, Strontium ($Sr^{2+}$) gives a crimson-red flame, and Copper ($Cu^{2+}$) gives a greenish-blue flame.