CH3-cCHdil. H2SO4HgSO4(A)

CH3-cCH(2) H2SO4/HO-(1)BH3THF(B)

Product (A) and (B) is differentiated by:

(a) 2-4 DNP

(b) NaOI

(c) Na-metal

(d) NaHSO3

Concept Videos :-

#1 | Preparation of Carbonyl Compounds: I
#2 | Preparation of Carbonyl Compounds: II
#3 | Aromatic Carbonyl Compounds
#4 | Properties of Carbonyl Compounds: I
#5 | Properties of Carbonyl Compounds: II
#6 | Properties of Carbonyl Compounds: III

Concept Questions :-

Preparation & properties of Aldehydes and Ketones

CH3-CCHH2OHg2+/H+CH3-C|OH=CH2CH3-C||O-CH3                                                                                 A ketone (gives +ve iodoform test with NaoI  )

CH3-CCH(2)H2O2/OH-(1)BH3THFCH3-CH=CH2-OHCH3-CH2=O                                                                                                      (an aldehyde)                                                                                        (-ve Iodoform test beacuse -CO||-CH3 group is absent)                        

 

Difficulty Level:

  • 11%
  • 61%
  • 16%
  • 14%