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Question

If a salt produces a brown ring in the brown ring test it is a nitrate salt.


A

False

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B

True

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Solution

The correct option is B

True


Brown ring test is used to confirm if a given salt is a nitrate salt or not. First, let us know what is the procedure for the brown ring test. The brown ring test is performed by taking the salt solution in a test tube and by adding an equal amount of freshly prepared ferrous sulphate (FeSO4) solution. The test tube is then held in a slant position and concentrated sulphuric acid is poured along the sides of the test tube. If a brown ring is formed at the junction of two liquids then the given salt is a nitrate salt.

Since we are already told that the salt produced a brown ring in the brown ring test we can be sure that the salt is a nitrate salt. Hence the given statement is true.


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