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WHY CONCENTRATED HCL IS USED IN FLAME TEST?
Concentrated HCl is used in flame tests to clean the metal wire loop before dipping it into the sample and to remove any impurities that may interfere with the observation of the flame color produced by the metal ions. Additionally, HCl helps to prevent contamination between different samples being tested on the same wire loop.
Why copper sulphate not used in flame test?
A.o.A it is the demand of flame test that salt should be easily vapourised as metalic chloride for this purpose we wet the given salt with acid (HCl) so that it change into chloride but copper cannot remove hydrogen(As Au,Ag,Pt) from acid so cannot changed into chloride and not used in flame test. but if there is chloride salt of copper it can be easily used for flame test with-out use of acid.....
What was the flame test original use?
The flame test was originally used as a qualitative analysis technique in chemistry to identify the presence of certain metal ions in a compound based on the color emitted by the flame when the compound is burned. This method is still used today in chemical analysis and identification of elements.
What bauxite hcl test?
The bauxite HCl test is a qualitative test to determine the presence of aluminum in bauxite ore. It involves treating bauxite with hydrochloric acid (HCl) and observing the effervescence of gas, which indicates the presence of aluminum. The test is commonly used in the initial stages of bauxite processing to assess the aluminum content.
Is a flame test qualitative or a quantitative analysis?
A flame test is a qualitative analysis technique used to identify the presence of specific elements based on the color of the flame produced. It is not typically used for quantifying the amount of the element present in a sample.
WHY CONCENTRATED HCL IS USED IN FLAME TEST?
Concentrated HCl is used in flame tests to clean the metal wire loop before dipping it into the sample and to remove any impurities that may interfere with the observation of the flame color produced by the metal ions. Additionally, HCl helps to prevent contamination between different samples being tested on the same wire loop.
Why copper sulphate not used in flame test?
A.o.A it is the demand of flame test that salt should be easily vapourised as metalic chloride for this purpose we wet the given salt with acid (HCl) so that it change into chloride but copper cannot remove hydrogen(As Au,Ag,Pt) from acid so cannot changed into chloride and not used in flame test. but if there is chloride salt of copper it can be easily used for flame test with-out use of acid.....
Why dip the wire in 6 M HCI before performing a flame test for each cation?
The HCl converts any contaminated impurities to the corresponding chlorides, which are more volatile and easily vaporized. That way, they are vaporized more easily and quickly in that flame, allowing the cation to create the correct color flame without contamination.
What color does the element Mg impart to the flame?
The flame test is not used to detect magnesium; a magnesium oxide rod is used as a support for the solutions of other elements in the flame test.
Is the flame test a qualitative or quantitative test for the identity of an unknown?
just looking at the color of the flame --- qualitative
What was the flame test original use?
The flame test was originally used as a qualitative analysis technique in chemistry to identify the presence of certain metal ions in a compound based on the color emitted by the flame when the compound is burned. This method is still used today in chemical analysis and identification of elements.
Why is color used to analyze?
You think probable to flame test; some metals have specific colors in a flame.
What bauxite hcl test?
The bauxite HCl test is a qualitative test to determine the presence of aluminum in bauxite ore. It involves treating bauxite with hydrochloric acid (HCl) and observing the effervescence of gas, which indicates the presence of aluminum. The test is commonly used in the initial stages of bauxite processing to assess the aluminum content.
Is a flame test qualitative or a quantitative analysis?
A flame test is a qualitative analysis technique used to identify the presence of specific elements based on the color of the flame produced. It is not typically used for quantifying the amount of the element present in a sample.
Why in flame tests concentrated hydrochloric acid is used to make the paste of the salt?
Concentrated hydrochloric acid is used to make a paste of the salt in flame tests because it helps to clean the metal surface by removing impurities and oxides that may interfere with the test. This ensures that the color produced in the flame is mainly due to the metal ions present in the salt, providing a clearer and more accurate result.
Can we use copper wire in the flame test?
No, copper wire would not produce a distinctive color in a flame test. The flame test is typically used for metals that produce easily identifiable colors when burned in a flame, such as lithium (red), sodium (yellow), or potassium (purple). Copper does not exhibit this characteristic.
What is the flame test used for?
To indentify an unknown sample by its emission light
