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A common test for nitrate ion is with diphenylamine.

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Q: WHAT IS TEST REAGENT USED TO IDENTIFY NITRATE ION?
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How do you prepare tollen reagent?

To prepare Tollens reagent, mix aqueous silver nitrate with ammonia solution until a precipitate forms. Then add sodium hydroxide solution to redissolve the precipitate and form the final reagent. It is used to test for the presence of aldehydes in a reaction.


What reagent is used to test for starch?

Iodine reagent is used to test for the presence of starch. It turns blue-black in the presence of starch.


What reagent is used to test for unsaturated hydrocarbons?

This reagent is bromine in solution.


What is the reaction of acetone and tollens reagent?

Acetone does not react with Tollens' reagent (ammoniacal silver nitrate solution) because it does not contain an aldehyde group, which is necessary for the Tollens' test to occur. Tollens' reagent reacts with aldehydes to produce a silver mirror on the inner surface of the test tube.


What chemical reagent of protein?

Biuret reagent is used to test for protein in urine. It is a common test that students in biology class perform. Urine is added to a test tube, followed by approximately the same amount of Biuret reagent. If the solution turns lavender this means that there are proteins present in the urine.


What is the test reagent for chloride ion?

Silver nitrate (AgNO3) is commonly used as the test reagent for chloride ions. When silver nitrate is added to a solution containing chloride ions, a white precipitate of silver chloride (AgCl) forms. This reaction is often used to detect the presence of chloride ions in a solution.


Strontium nitrate flame test?

When strontium nitrate is heated, it gives off a red flame due to the presence of strontium ions. This flame test is commonly used in chemistry to identify strontium compounds.


Why is nitrate solution A and B used in nitrate tubes?

Nitrate solution A is used to detect nitrate reduction to nitrite, resulting in a pink color change in the presence of a positive reaction. Nitrate solution B contains zinc powder, which is added after solution A to confirm the absence of nitrate reduction if there is no color change.


What does van urk mean?

"Van Urk" is a surname of Dutch origin. It comes from the town of Urk in the Netherlands and is used to identify people from that area.


What is the chemical structure of Tollen's reagent?

Tollen's reagent is usually ammoniacal silver nitrate. Even in other variations it consists of an aqueous diaminesilver (I) complex. This diaminesilver (I) complex acts as an agent. This when placed in a test tube forms a silver mirror. Tollen's reagent is generally ammoniacal silver nitrate. But it could be other reagents as well, as long as the complex diamminesilver(I) complex ion [Ag(NH3)2]+ can be generated.


Which reagent can be used to identify nickel ion?

Dimethylglyoxime can be used as a reagent to identify nickel ions. It forms a red precipitate with nickel ions, allowing for easy visual detection.


What might Biuret reagent test in a practical real life situation?

Biuret reagent is commonly used in laboratories to test for the presence of proteins. In practical real life situations, the Biuret test can be used to identify the protein content in food products, such as milk, eggs, and meat. It can also be used in medical diagnostics to detect protein abnormalities in bodily fluids like urine or blood.