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mixas84 [53]
2 years ago
6

How do we know that this is a positive test for this organic substance​

Biology
1 answer:
IceJOKER [234]2 years ago
5 0

Answer:

For example, addition of an orange chromic acid reagent to some compounds causes the chromium reagent to change to a blue-green color (Figure 6.37a). This is considered a "positive" test result, and in this case indicates the presence of a functional group that can be oxidized (alcohol or aldehyde).

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