Which of the following reagent/solution can be used to distinguish between methanoic acid and ethanoic acid?
A
Tollen's reagent
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B
FeCl3 solution
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C
NaOH solution
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D
Na2CO3 solution
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Solution
The correct option is A Tollen's reagent Tollen's reagent (ammoniacal silver nitrate solution) can be used to distinguish between methanoic acid and ethanoic acid.
Tollen's reagent can be reduced by methanoic acid.