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Question from: Chemistry

A compound gives an orangered colour to non-luminous flame. This compound is likely to contain

A)  

Na+

B)  

Ca2+

C)  

Fe3+

D)  

Fe2+

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j

juanbacan

hace 2 meses

Solution

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Correct answer: Ca2+

Explanation: Calcium salts give a characteristic brick-red / orange-red colour in a non-luminous Bunsen flame.

  • Na+ → intense yellow (golden).
  • Fe3+ and Fe2+ → no distinctive flame colour.

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