19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which of the following on heating with aqueous KOH, produces acetaldehyde ?
When but-2-yne is treated dil.H2SO4/HgSO4 the product formed is :
Which of the following gases when passed through warm dilute solution of H2SO4 in presence of HgSO4 gives acetaldehyde?
Which of the compounds with molecular formula C5H10 yields acetone on ozonolysis?
Which compound would give 5 – keto – 2 – methyl hexanal upon ozonolysis? (a) (b) (c) (d)
Which of the following yield 2 moles of formaldehyde on ozonolysis?
On reductive ozonolysis yields
Which of the following compound will yield 2,5- dimethylhexan-1,6-dial upon ozonolysis?
Which of the following forms an enol to the greatest extent ? (a) (b) (c) (d)
Which of the compound shown is (are) correctly named as pentane derivates, either as pentanals or pentanones ?
When enolate A is compared with enolate B (A) (B) which of the following statements is true ?
Identify the reactant X and the product Y
The order of reactivity of phenyl magnesium bromide with the following compounds is
Which of the following reagents converts both acetaldehyde and acetone to alkanes?
Clemmensen reduction involves > C = O to > CH2 in presence of
Clemmensen's reduction will convert cyclohexanone into:
Clemensen’s reduction of ketones is carried out in
Aldehydes and ketones can be reduced to corresponding hydrocarbons by
In Wolf-Kishner reduction, the carbonyl group of aldehydes and ketones is converted into
Wolff-Kishner reduction is :
Which one of the following pairs is not correctly matched
For C6H5CHO which of the following is incorrect?
The product predominates is (a) (b) (c) (d)
퐶퐻3퐶퐻푂+ 퐿푖퐴푙퐻4 →퐶퐻3퐶퐻2푂퐻 Nucleophile added in this reaction is
In the above sequence X can be