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Question
Which of the following test is used to detect halogens ?
Which of the following test is used to detect halogens ?
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Solution
The correct option is A Beilstein's test
Beilstein’s Test
A copper wire flattened at one end is heated
in the oxidising flame of Bunsen burner. The heating is continued till it does
not impart blue colour to flame. The hot end of copper wire is now touched with
the organic substance and is once again kept in flame. The reappearance of
green or blue colour indicates the presence of halogens in the organic
compound.
Beilstein’s Test
A copper wire flattened at one end is heated in the oxidising flame of Bunsen burner. The heating is continued till it does not impart blue colour to flame. The hot end of copper wire is now touched with the organic substance and is once again kept in flame. The reappearance of green or blue colour indicates the presence of halogens in the organic compound.
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