Two molecules of acetone in presence of dil. NaOH give the product :
4 - methyl - 2 - pentanone
4 - hydroxy - 2 - pentanal
3 - hydroxy isopropyl propanone
4 - hydroxy - 4 - methyl - 2 - pentanone
d(+) lactic acid is obtained from :
fermentation of cane sugar
green vegetables
muscles
fermentation of milk sugar
Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound E. Compound Eon further treatment with aqueous KOH yields compound F. Compound F is
The correct increasing order of reactivity for the following molecules towards electrophilic aromatic substitution is
I < IV < II < III
I < IV < II < IV
I < III < II < IV
I < III < IV < II
The corrcet decreasing order of pKb is
I > II > III > IV
III > IV > II > I
II > III > IV > I
IV > II > I > III
The correct decreasing order of pKa is
II > IV > I > III
IV > II > III > I
III > II > IV > I
IV > I > II > III
The reagent used in Clemmensen's reduction is :
conc H2SO4
Zn-Hg / conc HCl
aq KOH
alc KOH
B.
Zn-Hg / conc HCl
In Clemmensen's reduction Zn-Hg/ cone HCl is used .
C=O + 4H CH2 + H2O
This method is used to convert carbonyl compound into alkane .
The product formed when hydroxylamine condenses with a carbonyl compound is called :
hydrazide
oxime
hydrazine
hydrazone