Q.
How many of following test can be used to differentiate $HCHO$ & formic acid -
(i) Tollen's reagent test
(ii) $NaHCO _{3}$ test
(iii) Lucas reagent test
(iv) Victor mayers test
(v) Carbylamine test
Aldehydes Ketones and Carboxylic Acids
Solution:
Correct answer is '1'