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Strength of Acid or Base

Formic acid r...

Question

Formic acid reduces ______ and converts blue coloured cupric ions to red coloured cuprous ions.

A

Tollen's reagent

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B

Cacodyl oxide

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C

Fehling's solution

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D

Phenolphthalein

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Solution

The correct option is C Fehling's solution
Formic acid reduces Fehlings solution. It reduces blue coloured $C u^{3 +}$ ions to red coloured $C u^{2 +}$ ions.

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