Worksheetsname reactions aldehyde & ketones
Total questions: 13
Worksheet time: 7mins
What is the reagent for Fehling’s test?
2,4-dinitrophenylhydrazine
excess I2, NaOH
Cu2+, OH-
[Ag(NH3)2]+, OH-
What is the positive observation for Tollens’ test?
brick red precipitate
silver mirror precipitate
light yellow precipitate
yellow or orange precipitate
The product formed in Aldol condensation is
an alpha, beta - unsaturated ester
a beta hydroxy acid
a beta hydroxy aldehyde or ketone
an alpha hydroxy aldehyde or ketone
Which one is the formula of ethanal?
Compounds which do not undergo Crossed aldol condensation are -
Formaldehyde and Acetaldehyde
Acetaldehyde and Propionaldehyde
Formaldehyde and Acetone
Formaldehyde and Benzaldehyde
identify reaction
aldol
cannizarro
rosenmund
etard
Choose correct statement/statements for reaction
all aldehydes undergo cannizarro reaction
aldehydes without alpha hydrogen undergo cannizaro reaction
formldehyde gives this reaction
benzaldehyde gives this reaction
To convert toulene to benzaldehyde reaction used is
Gattermann koch
Etard 's reaction
Rosen mund
aldol
Acetophenone is prepared from
Friedel craft reaction
Rosenmund reaction
Sandmayer reaction
Wurtz reaction
Which one is the formula of ethanal?
Choose the name reaction that produces benzaldehyde from Toluene and Chromyl chloride.
Aldol condensation
Gattermann Koch reaction
Etard reaction
Clemmensen reduction
Which of the following is used in Rosenmund reduction?
LiAlH4
H2 /Pd-BaSO4
Na/Ethanol
NaBH4
Choose the correct name of this molecule.
propanol
propanal
propanone
butanone
