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Question
Match the elements given in Column I with the colour they impart to the flame given in Column II.
| Column I | Column II |
| (i) Cs | (a) Apple green |
| (ii) Na | (b) Violet |
| (iii) K | (c) Brick red |
| (iv) Ca | (d) Yellow |
| (v) Sr | (e) Crimson red |
| vi) Ba | (f) Blue |
Solution
| Column I | Column II |
| (i) Cs | (f) Blue |
| (ii) Na | (d) Yellow |
| (iii) K | (b) Violet |
| (iv) Ca | (c) Brick red |
| (v) Sr | (e) Crimson red |
| vi) Ba | (a) Apple green |
Explanation:
(i) Caesium imparts blue color when introduced into flame.
(ii) Sodium imparts yellow color when introduced into flame.
(iii) Potassium imparts violet color when introduced into flame.
(iv) Calcium imparts brick red color when introduced into flame.
(v) Strontium imparts crimson red color when introduced into flame.
(vi) Barium imparts apple green color when introduced into flame.
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