Flame tests Flashcards
What is a flame test used for?
To identify the presence of certain metal ions based on the color of the flame produced.
True or False: A flame test can be used to identify non-metal ions.
False
What color does sodium produce in a flame test?
Yellow
Fill in the blank: The flame test involves introducing a sample to a ________ flame.
Bunsen
Which metal ion produces a green flame?
Copper(II)
Multiple Choice: What color is produced by lithium in a flame test? A) Green B) Red C) Blue D) Yellow
B) Red
What is the main limitation of flame tests?
They cannot distinguish between ions that produce similar flame colors.
True or False: The intensity of the flame color can indicate the concentration of the metal ion.
True
What color does potassium produce in a flame test?
Lilac
Which metal ion produces a blue flame?
Copper(I)
What is a flame test used for in chemistry?
To identify the presence of certain metal ions based on the color of the flame produced.
True or False: A flame test can be used to identify non-metal ions.
False
Fill in the blank: The color of the flame produced by sodium ions is ______.
yellow
What color flame does lithium produce during a flame test?
Crimson red
Which metal ion produces a green flame?
Copper (II) ions
Multiple Choice: Which of the following ions produces a blue flame? A) Potassium B) Calcium C) Strontium
A) Potassium
What apparatus is commonly used to conduct a flame test?
A clean platinum or nichrome wire loop.
True or False: Flame tests can be performed on solid samples directly.
False
Fill in the blank: The flame test is a qualitative analysis technique used to identify ______.
metal ions
Which color flame is produced by calcium ions?
Brick red
