CBSE
Given,
Which of the given compounds can exhibit tautomerism?
I and II
I and III
II and III
II and III
Which one is most reactive towards nucleophilic addition reaction?
Which of the following reagents would distinguish cis-cyclopenta-1-,2-diol from the trans isomer?
Ozone
MnO2
Aluminium isopropoxide
Aluminium isopropoxide
An organic compound X having molecular formula C5H10O yields phenyl hydrazone and gives negative response to the iodoform test and tollen test. It produces n -pentane on reduction X could be
pentanal
2-pentanone
3-pentanone
3-pentanone
Predict the products in the given reaction,
The reaction by which benzaldehyde cannot be prepared?
The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha -carbon, is
a carbonyl compound with a hydrogen atom on its alpha -carbon rapidly equilibrates with its corresponding enol and this process is known as aldehyde-ketone equilibration.
a carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as carbonylation
a carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as keto-enol tautomerism
a carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as keto-enol tautomerism
Treatment of cyclopentanone
methyl lithium gives which of the following species?
Cyclopentanonyl anion
Cyclopentanonyl cation
Cyclopentanonyl radical
Cyclopentanonyl biradical
Which one will not show Cannizzaro reaction ?
Trimethyl acetaldehyde
Formaldehyde
Acetaldehyde
Benzaldehyde
CH3CHO and C6H5CH2CHO can be distinguished chemically by
Benedict test
Iodoform test
Tollen's reagent test
Tollen's reagent test