The answer is b this is your answer
Answer:
B.
Explanation:
The change in color and the indistinguishable states of the substances must indicate a chemical change.
Answer:
Explanation:
When Tollen's test is done by aldehyde , silver ion is converted into silver which forms a layer which looks like a mirror.
Ag⁺ + e = Ag
It is a reduction process where silver(1) ion is reduced to metallic silver.
Aldehyde is oxidized to carboxylate ion.
CH₃CHO + 2 OH⁻ = CH₃COO⁻ + H₂O + H⁺ + 2e
Visual indicator is silver metal which forms silver mirror at the bottom of test tube .
Answer:
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Explanation:
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