Question

Two alkali halide salts, \[ \text{ACl} \] and \[ \text{BCI} \] gave crimson red and violet in their flame test respectively. A and B are respectively

• A. K, Li
• B. Li, K
• C. Li, Na
• D. Na, K

Hint:

Crimson red flame is characteristic of lithium (\( Li \)) and violet flame of potassium (\( K \)).

Answer 1

The Correct Option is B

When alkali metals are heated in a flame, they emit characteristic colors. Potassium (\( K \)) produces a violet flame, while lithium (\( Li \)) produces a crimson red flame. Thus, \[ A \] corresponds to lithium and \[ B \] corresponds to potassium. Thus, the correct answer is \( \boxed{2} \).