In a flame test, which color indicates the presence of sodium ions?

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Question: In a flame test, which color indicates the presence of sodium ions?

Options:

Correct Answer: Yellow

Solution:

Sodium ions produce a characteristic bright yellow color when subjected to a flame test.

In a flame test, which color indicates the presence of sodium ions?

In a flame test, which color indicates the presence of sodium ions?

Step 1: Understand what a flame test is. It is a method used to identify the presence of certain metal ions based on the color they produce when heated in a flame.
Step 2: Know that sodium is a type of metal ion that can be tested using this method.
Step 3: When sodium ions are placed in a flame, they emit a specific color.
Step 4: Observe the color produced by sodium ions in the flame test, which is a bright yellow.
Step 5: Conclude that if you see a bright yellow color during the flame test, it indicates the presence of sodium ions.

Flame Test – A qualitative analysis technique used to identify the presence of certain metal ions based on the color of the flame produced.
Sodium Ion Identification – Sodium ions specifically produce a bright yellow flame, which is a key indicator in flame tests.