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What colour is given to a Bunsen flame by (i) a sodium salt, (ii) a copper salt? - Leaving Cert Chemistry - Question c - 2020

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What colour is given to a Bunsen flame by (i) a sodium salt, (ii) a copper salt?

Worked Solution & Example Answer:What colour is given to a Bunsen flame by (i) a sodium salt, (ii) a copper salt? - Leaving Cert Chemistry - Question c - 2020

Step 1

What colour is given to a Bunsen flame by a sodium salt?

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Answer

A sodium salt typically gives a Bunsen flame a bright yellow or amber color. This distinctive color is due to the excitation of sodium ions, resulting in the emission of light at specific wavelengths.

Step 2

What colour is given to a Bunsen flame by a copper salt?

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104 rated

Answer

A copper salt produces a blue-green or green flame in a Bunsen burner. The exact shade may vary slightly, but the blue-green hue is most recognizable due to the emission spectrum of copper salts.

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