HARDMCQ SINGLEJEE Mains ChemistryInorganic ChemistryPractical Organic ChemistryAchiever Section
HCOOH and HCHO may be distinguished by
A.Tollen’s test
B.Sodium bicarbonate test
C.2, 4-DNP test
D.both (b) and (c)✓ Correct
Explanation
3 NaHCO test – Formic acid liberates CO₂ on reaction with NaHCO₃ while formaldehyde does not liberate anything. 2, 4 - DNP test- 2, 4 - DNP test is given aldehyde & Ketone only. So, formic acid does not give 2,4- DNP test.
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