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NEET levelSingle correct optionDifficulty 1 of 3qa112

Which cation imparts a crimson-red colour to the Bunsen flame?

A $K X^{+}$
B $Ba X^{2 +}$
C $Ca X^{2 +}$
D $Sr X^{2 +}$

Answer: D

Strontium salts give a crimson-red flame, calcium salts brick-red, barium salts apple-green and potassium salts lilac. The answer is

Sr X^{2 +}

.

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