Advertisements
Advertisements
प्रश्न
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 |
उत्तर
| 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.
APPEARS IN
संबंधित प्रश्न
Find the oxidation state of sodium in Na2O2.
Discuss the various reactions that occur in the Solvay process.
Describe two important uses of the following sodium carbonate.
What happens when sodium metal is dropped in water?
State as to why a solution of Na2CO3 is alkaline?
Complete the following reactions.
\[\ce{O^{-}2 + H2O ->}\]
In the Solvay process, can we obtain sodium carbonate directly by treating the solution containing (NH4)2CO3 with sodium chloride? Explain.
Which of the following metal hydroxides does not dissolve in sodium hydroxide solution?
Amongst baking soda, caustic soda and washing soda, carbonate anion is present in ______.
Which sodium salt will be heated with soda lime to obtain propane?
