CBSE
Multiple Choice QuestionsKeto - enol tautomerism is not observed in
C6H5COC6H5
C6H5COCH=CH2
C6H5COCH2COCH3
CH3COCH2COCH3
The order of stability of the following tatutomeric compound is
I> II> III
III > II> I
II> I> III
II > III> I
Structure of the compound whose IUPAC name is 3-ethyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid is
Two aromatic compounds having formula C7H8O which are easily identifiable by FeCl3 solution test (violet colouration) are:
o-cresol and benzyl alcohol
m-cresol and p-cresol
o-cresol and p-cresol
methyl phenyl ether and benzyl alcohol
Which of the following compounds has maximum volatility?
Reaction by which benzaldehyde cannot be prepared?
Which of the following compounds is not formed in iodoform reaction of acetone?
CH3COCH2I
ICH2COCH2I
CH3COCHI2
CH3COCl3
Which one of the following produced when acetone is saturated with HCl gas?
Acetone alcohol
Phorone
Mesityl oxide
Benzene
For making distinction between 2-pentanone and 3-pentanone, the reagent to be employed is
K2Cr2O7/H2SO4
Zn-Hg/HCl
SeO2
Iodine/NaOH
The reaction of formaldehyde and ammonia gives:
hexamethylene tetramine
bakelite
urea
triethylene tetramine
