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Question from: Chemistry

Which compound will give a brick‑red colour in a non‑luminous Bunsen flame?

A)  

LiCl

B)  

NaCl

C)  

CaCl2

D)  

MgCl2

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j

juanbacan

hace 14 días

Solution

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Correct answer: CaCl2.

Explanation: In flame tests, Ca2+ gives a characteristic brick-red colour. Others:

  • LiCl → crimson/red.
  • NaCl → intense yellow.
  • MgCl2 → no distinctive flame colour.

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