19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Light C H Cl P -> Product ‘P’ is
How many isomers of 1, 2- dibromobenzene are possible according to Kekule?
The common name and JUPAC name of are respectively
The IUPAC name of is
X-ray diffraction study of benzene reveals that I. It is a planar molecule. II. C–C bond lengths are of the same order which is intermediate between C–C single bond and C–C double bond, III. Benzene is reluctant to…
Which of the following statement(s) is/are correct regarding structure of benzene? I. All the six carbons in benzene are sp2 hybridised. II. sp2 hybridised orbital of carbon combines with another sp2 hybridised orbi…
Any ring system will be ‘aromatic’ in nature if it possesses: I. planarity. II. complete delocalisation of the electrons in the ring. III. it follows Huckel Rule. Choose the correct option.
Identify a reagent from the following list which can easily distinguish between 1-butyne and 2-butyne.
Which of the following reacts with KMnO4 but does not react with AgNO3?
Which is most acidic of the following ?
Choose the reagent to carry out the reaction.
1-butyne on oxidation with hot alkaline KMnO4 would yield
Predict the product of the reaction 1-butyne with 2 equivalents of HCl (a) (b) (c) (d)
Which of the following organic compounds exhibit acidic character ? (a) (b) (c) (d)
Acetylene on treating with Cu2Cl2 gives
Which of the following will give H2 gas with Na ?
In the following reaction, What is X ?
Products of the following reaction (i) O3 CH C C – CH CH ........ are (ii) Hydrolysis -> (a) CH CHO CH CH CHO (b) CH COOH CH COCH (c) CH COOH HOOC CH CH x (d) CH COOH CO
When propyne is treated with aqueous H2SO4 in presence of HgSO4, the major product is
Acetylene does not react with
Alkynes are ...A... polar in nature. Here, A refers to
Identify the compounds A and B in the following reaction sequence.
The major organic compound formed by the reaction of 1,1,1-trichloroethane with silver powder is
Calcium carbide on hydrolysis forms
When CH CH CHCl is treated with NaNH2, the product formed is