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What colour is observed in a flame test on a salt of (i) barium, (ii) lithium? - Leaving Cert Chemistry - Question a - 2015

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What colour is observed in a flame test on a salt of (i) barium, (ii) lithium?

Worked Solution & Example Answer:What colour is observed in a flame test on a salt of (i) barium, (ii) lithium? - Leaving Cert Chemistry - Question a - 2015

Step 1

(i) barium

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Answer

In a flame test, a salt of barium produces a greenish color, often described as yellow-green. This distinctive color allows for easy identification of barium salts.

Step 2

(ii) lithium

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Answer

For lithium, the flame test shows a crimson red color when the salt is burned. This bright red hue is characteristic of lithium compounds and is used to differentiate it from other metals.

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