19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which of the following will decolorise alkaline KMnO4 solution?
Bayer’s reagent is
The number of and -bonds in but-1-ene-3-yne are
In the compound, , the C2-C3 bond is of the type
How many isomers are possible for C4H10?
Identify the major product (a) (b) (c) (d)
P should be (a) (b) (c) (d)
When CH CH CHCl is treated with NaNH2, the product formed is
Calcium carbide on hydrolysis forms
The major organic compound formed by the reaction of 1,1,1-trichloroethane with silver powder is
Identify the compounds A and B in the following reaction sequence.
Alkynes are ...A... polar in nature. Here, A refers to
Acetylene does not react with
When propyne is treated with aqueous H2SO4 in presence of HgSO4, the major product is
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
In the following reaction, What is X ?
Which of the following will give H2 gas with Na ?
Acetylene on treating with Cu2Cl2 gives
Which of the following organic compounds exhibit acidic character ? (a) (b) (c) (d)
Predict the product of the reaction 1-butyne with 2 equivalents of HCl (a) (b) (c) (d)
1-butyne on oxidation with hot alkaline KMnO4 would yield
Which is most acidic of the following ?
Which of the following reacts with KMnO4 but does not react with AgNO3?
Identify a reagent from the following list which can easily distinguish between 1-butyne and 2-butyne.
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.