19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
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
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 ?
When enolate A is compared with enolate B (A) (B) which of the following statements is true ?
Which of the following is paradehyde?
Ethanedial has which functional group ?
The structure would be best classified as a(n)
Acetals are
Formalin is an aqueous solution of :
A strong base can abstract an alpha-hydrogen from
The formula of chloral is (a)퐶퐻3퐶퐻= 푁퐻퐶6퐻5
Aldehydic group can occur :
The general formula of both aldehydes and ketones is:
The IUPAC name of CH3COCH(CH3)2 is :
The IUPAC name of Cl3CCH2CHO is :
Which is NOT a characteristic of Planck's quantum theory of radiation?
The correct order of increasing energy of orbitals in hydrogen atom is
Aufbau principle does NOT give the correct arrangement of filling of atomic orbitals in