Match the cation (List I) with the flame colour (List II). List I: P Na+, Q K+ (through blue glass), R Ca^2+, S Ba^2+. List II: 1 apple-green, 2 brick-red, 3 lilac, 4 golden-yellow.

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JEE Main levelSingle correct optionDifficulty 2 of 3qa120

Match the cation (List I) with the flame colour (List II). List I: P $Na X^{+}$ , Q $K X^{+}$ (through blue glass), R $Ca X^{2 +}$ , S $Ba X^{2 +}$ . List II: 1 apple-green, 2 brick-red, 3 lilac, 4 golden-yellow.

AP-4, Q-3, R-2, S-1
BP-4, Q-3, R-1, S-2
CP-3, Q-4, R-2, S-1
DP-4, Q-2, R-3, S-1

Answer: A

Sodium gives golden-yellow, potassium lilac (seen through cobalt glass), calcium brick-red and barium apple-green. The matching is P-4, Q-3, R-2, S-1.

Practice Qualitative Analysis: Anions More on Dry tests: heating, flame and borax bead tests

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Match the cation (List I) with the flame colour (List II). List I: P NaX+, Q KX+ (through blue glass), R CaX2+, S BaX2+. List II: 1 apple-green, 2 brick-red, 3 lilac, 4 golden-yellow.

Answer: A

More questions on Dry tests: heating, flame and borax bead tests

Match the cation (List I) with the flame colour (List II). List I: P $Na X^{+}$ , Q $K X^{+}$ (through blue glass), R $Ca X^{2 +}$ , S $Ba X^{2 +}$ . List II: 1 apple-green, 2 brick-red, 3 lilac, 4 golden-yellow.