Predict the product (B) in the following sequence of reactions
Ethyl benzene A B
Benzaldehyde
Benzoic acid
Benzophenone
Acetophenone
Identify the combination of compounds that undergo aldol condensation followed by dehydration to produce but-2-enal
methanal and ethanal
two moles of ethanal
methanal and propanone
ethanal and propanone
An organic compound with the molecular formula C8H8O forms 2,4-DNP derivative, reduces Tollen's reagent and undergoes Cannizzaro reaction. On vigorous oxidation, it gives 1, 2-benzenedicarboxylic acid. The organic compound is
2-ethylbenzaldehyde
2-methylbenzaldehyde
acetophenone
3-methylbenzaldehyde
Which of the following compound when treated with dibenzyl cadmium yields benzyl methyl ketone?
Acetone
Acetaldehyde
Acetic acid
Acetyl chloride
One mole of alkene on ozonolysis gives 2 moles of butanone. The alkene is
3, 4-dimethylhex-2-ene
2, 3-dimethyihex-3-ene
3, 4-dimethylhex-3-ene
2, 3-dimethylhex-2-ene
The reagent used in Wolff-Kishner reduction is
NH2-NH2 and KOH in ethylene glycol
Zn-Hg / conc. HCl
NaBH4
Na-Hg/H2O
Which reagent is used in Etard reaction?
Chromyl chloride
Ethanoyl chloride
SnCl2 and HCl
Cadmium chloride
Which of the following carboxylic acids is a tricarboxylic acid?
Oxalic acid
Citric acid
Succinic acid
Adipic acid
Primary nitroalkanes are obtained in good yield by oxidising aldoximes with the help of
trifluoroperoxy acetic acid
acidified potassium permanganate
concentrated nitric acid
potassium dichromate and dilute sulphuric acid