8. Students absolutely love this lab, and it is a great way to review and reinforce the concepts of electrons, excited state This flame test lab is always a favorite of mine, and a much loved lab by all of my students. strontium. Geologists use the flame test to identify the presence of metals. To determine whether the gas is hydrogen, invert the first test tube and place a burning splint just inside its mouth. lavender/pink. Hope this helps. What do you think your unknowns were? copper (II) green. IV. Calcium. Explain Your Answer. Flame tests are used to identify the presence of a relatively small number of metal ions in a compound. What caused the colors that you observed during this lab? Flame tests can also be used to find the color of fireworks one wants to use. What do you think your unknown was? 9. Why were the colors different? The color of the flame corresponds with each element. How is this flame test lab similar to the Spectroscope Exercise minilab? Why? A qualitative analysis is defined as collecting characteristics of an unknown about the reactivity to identify the chemical. The test involves introducing a sample of the element or compound to a hot, non-luminous flame, and observing the color of the flame that results. sodium. V. Conclusion Write an investigative question that you can answer by doing this experiment. Why? Why Is Platinum Metal Preferred To Other Metals For The Flame Test? Analysis Questions: Full stand alone answers to the following questions: Why do many elements have distinctive flame colors? The Flame Test The flame test is a qualitative test used in chemistry to help determine the identity or possible identity of a metal or metalloid ion found in an ionic compound. Analysis Questions: Full stand alone answers to the following questions: Why do many elements have distinctive flame colors? IV. The idea of the test is that sample atoms evaporate and since they are hot, they emit light when being in flame. Bulk sample emits light too, but its light is not good for analysis. In this experiment, many tests were carried out including solubility, conductivity, flame test, pH test, precipitation, and titration and each of the tests are classified as qualitative or quantitative. orange. lithium. Flame analysis is a qualitative test, not a quantitative test. Yes. By looking at the color you can see if it matches any previous tests and possibly find the name of the metal. What Is The Difference Between A Qualitative And A Quantitative Analysis? orange. If the compound is placed in the flame of a gas burner, there may be a characteristic color given off that is visible to the naked eye. Likewise, how is the flame test used in the real world? 11. What causes these colors to be emitted from heated atoms? For Group 1 compounds, flame tests are usually by far the easiest way of identifying which metal you have got. Flame Test Lab Questions Answer Key: You could readily identify the elements that had obvious colors different form all the others- such as copper that gave off a blue/green color and lithium that gave off a bright red color. Is this a good quantitative technique? A flame test will only really show the brighter or more visible flame of a given metal ion when one or more metal ions are present. yellow-green. Is this a good quantitative technique? HCI Be Used As A Group Reagent In Place Of Dil. Can We Use Glass Rod Instead Of Platinum Wire For Performing The Flame Test? Is a flame test a qualitative and quantitative test? potassium. barium. Added 2019-01-14 04:54:23 subject Chemistry by Deleted. When there is an unknown compound, the metal can be found by using previous data from previous tests. Why Cannot Conc. 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