19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Aldol condensation is
does not show aldol condensation because :
Predict the product ‘B’ in the sequence of reaction
Aldol condensation will not take place in
Acetophenone when reacted with a base, C2H5ONa, yields a stable compound which has the structure (a) (b) (c)
Which of the products is formed when acetone is reacted with barium hydroxide solution? (a) (b) (c) (d)
3-hydroxy butanal is formed when X reacts with Y in dilute Z solution. What are X, Y and Z? X Y Z (a) CH3CHO, (CH3)2CO, NaOH (b) CH3CHO, CH3CHO, NaCl (c) (CH3)2CO, (CH3)2CO, HCl (d) CH3CHO, CH3CHO, NaOH
Which of the following compound will undergo self aldol condensation in the presence of cold dilute alkali
Which of the following species is the conjugate acid of the hemiacetal formed by reaction of benzaldehyde with methanol containing a trace of acid ? (a) (b) (c) (d)
Grignard reagent on reaction with acetone forms
Reduction of acetonitrile in presence of SnCl2/HCl, followed by hydrolysis gives :
Product in following reaction is CH3MgI + HCHO → Product
A and B in the following reactions are (a) (b) (c)
The most reactive compound towards formation of cyanohydrin on treatment with HCN followed by acidification is
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
퐶퐻3퐶퐻푂+ 퐿푖퐴푙퐻4 →퐶퐻3퐶퐻2푂퐻 Nucleophile added in this reaction is
In Wolf-Kishner reduction, the carbonyl group of aldehydes and ketones is converted into
Wolff-Kishner reduction is :
Correct order of reactivity of CH3CHO, C2H5COCH3 and CH3COCH3 is