19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Conc.NaOH O|| H C H CH CH O -> Find out the products of reaction (AIIMS 2019)
Identify compound X in the following sequences of reactions : (NEET 2021) (a) (b) (c) (d)
The IUPAC name of the following structure is
The end product in the following sequence of reaction is
Identify the reaction which is used to obtain -hydroxy ketone? (Guj CET 2010)
Which of the following reaction will not result in the formation of carbon-carbon bonds? (CBSE AIPMT 2010)
Name the reagent used to bring about the following transformation : But-2-ene to ethanal (AMU 2010)
Dry heating of calcium acetate gives
Aldehydes are first oxidation products of:
Acetone on distillation with conc. H2SO4 forms
The oxidation of toluene to benzaldehyde by chromyl chloride is called
Which one of the following can be oxidised to the corresponding carbonyl compound?
Methyl ethyl ketone is prepared by the oxidation of
An aldehyde on oxidation gives
The reaction of acetaldehyde with conc. KMnO4 gives
Which of the following carbonyl oxygen will form strongest hydrogen bond with 퐻2푂 molecule? (a) (b) (c) (d)
The oxidation product of 2-propanol with hot conc. HNO3 is
Oxidation reactions can be carried out with chromic acid in aqueous acetone at 5–10°C.Which of following is incorrect in this respect (a) (b)
An organic compound X on treatment with pyridinium chloro chromate in dichloromethane gives compound Y. Compound Y reacts with I2 and alkali to form triiodomethane. The compound ‘X’ is
Aldehydes are the first oxidation product of
Ketones where R = R1 = alkyl group. It can be obtained in one step by
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 ?
Product may be
Which of the aldehyde is most reactive towards nucleophilic addition reaction ?