Aldehydes Ketones Question 118
Question: $ C_2H_5CHO $ and $ {{(CH_3)}_2}CO $ can be distinguished by testing with
[EAMCET 1998; CPMT 1994, 97; MP PET 1995; MP PMT 1996; RPMT 1997, 99]
Options:
A) Phenyl hydrazine
B) Hydroxylamine
C) Fehling solution
D) Sodium bisulphite
Show Answer
Answer:
Correct Answer: C
Solution:
$ C_2H_5CHO+2C{u^{+2}}+5O{H^{-}}\to \underset{Redppt}{\mathop{Cu_2O}}+3H_2O $
$ +C_2H_5CO{O^{-}} $
$ CH_3COCH_3+2C{u^{+2}}+5O{H^{-}}\to Noreaction $
BETA
