Formic acid can reduce - Vidyadip

MCQ

Formic acid can reduce

A
Tollen's reagent
B
Mercuric chloride
C
$KMn{O_4}$
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All of these

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Answer

Correct option: D.

All of these

d
(d) Tollen’s reagent -$HCOOH + A{g_2}O\, \to \,C{O_2} + {H_2}O\,\,\, + \mathop {2Ag}\limits_{{\text{(silver mirror)}}} $

Fehling solution -
$HCOOH + 2CuO \to C{O_2} + {H_2}O + \mathop {C{u_2}O}\limits_{{\text{(Red}}\,{\text{ppt}})} $

Mercury chloride -
$2HCOOH + 2HgC{l_2} \to 2C{O_2} + 4HCl + \mathop {2Hg}\limits_{{\text{(Black)}}} $

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