Home/Carboxylic acid
Tests for carboxylic Group
Question#1
Which of the following compounds will react with NaHCO3 solution to give sodium salt and carbon dioxide [DPMT 2005]
(a) \( CH_3COOH + NaHCO_3 \rightarrow CH_3COONa + CO_2 + H_2O \)
Question#2
Benedict’s solution is not reduced by [CPMT 2004]
Benedict solution is readily reduced by aldehyde. It does not oxidise anhydrides
Question#3
Lactic acid on oxidation by alkaline potassium permanganate gives [Tamil Nadu CET 2002]
\( CH_3-CH(OH)- COOH + [O] \xrightarrow{KMnO4} CH_3CO-COOH + H_2O \)
Question#4
The reagent that can be used to distinguish between methanoic acid and ethanoic acid is [Kerala CET 2001, 02]
HCOOH reduces ammoniacal silvernitrate solution, i.e., Tollen’s reagent but acetic acid does not.
Question#5
HCOOH shows all tests of aldehyde because [CPMT 1996]
Question#6
Which decolourises the colour of acidic KMnO4 [CPMT 1991]
Question#7
Of the following four reactions, formic and acetic acids differ in which respect [CPMT 1990, 93]
Question#8
Which of the following compound in the form of aqueous solution will produce CO2 on reaction with Sodium carbonate MDCAT2010