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  4. The carboxylic acid which reduces Tollens reagent is:

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Q. The carboxylic acid which reduces Tollens reagent is:

Rajasthan PMTRajasthan PMT 2005

Solution:

Formic acid reduces Tollen's reagent
$\underset{\text { Tollen's reagent }}{2 Ag \left( NH _{3}\right)_{2}^{+}}+\underset{\text { Formic acid }}{ HCOOH } \longrightarrow \underset{\text { Silver }}{2 Ag }+ CO _{2}$
$+2 NH _{4}^{+}+2 NH _{3}$
Because it behave both on an acid and as an aldehyde
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