Which one of the following undergoes aldol condensation?
Acetaldehyde
Propanaldehyde
Acetone
All of these
In the cannizzaro reaction given below
2C6H5CHO C6H5CH2OH + C6H5COO-
The slowest step is
The attack of OH- at the carbonyl group
The transfer of hydride ion to the carbonyl group
The abstraction of proton from the carboxylic acid
The deprotonation of benzyl alcohol
A new carbon-carbon bond formation is possible in:
I. Cannizzaro reaction
II. Friedel-Craft reaction
III. Clemmensen reduction
IV. Reimer-Tiemann reaction
I, II and III
II, III and IV
I and III
II and IV
D.
II and IV
A new carbon- carbon bond formation takes place in Friedel- Craft reaction and Reimer-Tiemann reaction.
Which of the following compounds formed during Perkin's reaction?
Resorcinol
Cinnamic acid
Benzaldehyde
Benzoin
Consider the following reaction
In this reaction which is not correct?
(X) is Me3C+
(X) is Me3CH-
(Z) is H+
Which of the following set of combination are correct?
1.Fenton reagent : Alcohol →Aldehyde
2. Ziegler-Natta catalyst : Polymerisation
3.Adam catalyst : Oxidation
4.Fe/Mo catalyst : Synthesis of NH3
1 and 3
1and 2
2 and 3
2 and 4
The reagent which distinguishes formic acid and acetic acid is
2, 4-dinitrophenyl hydrazine
HgCl2
C2H5ONa
Hg2Cl2