19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Identify the compounds A and B in the following reaction sequence.
Alkynes are ...A... polar in nature. Here, A refers to
The major organic compound formed by the reaction of 1,1,1-trichloroethane with silver powder is
Acetylene does not react with
P should be (a) (b) (c) (d)
When CH CH CHCl is treated with NaNH2, the product formed is
Calcium carbide on hydrolysis forms
When propyne is treated with aqueous H2SO4 in presence of HgSO4, the major product is
Identify the major product (a) (b) (c) (d)
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 ?
Butane (C4H10) has ...A... chain isomers. Here, A refers to
Which of the following will give H2 gas with Na ?
Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon containing less than four carbon atoms. (A) is (NEET 2018)
X is heated with soda lime and gives ethane. X is
(a) (b) (c)
Identify the product of the reaction when molecule undergoes ozonolysis (I) (II) (III) (IV) (V)
(a) (b) (c) (d)
Which compound will yield 5-keto-2-methyl hexanal upon treatment with O3? (a) (b) (c) (d)
Arrange the below compounds in the decreasing order of reactivity towards HBr:
Give the major product of the following reaction 3,3-dimethyl-1-butene + HCl Major
Which of the following will decolorise alkaline KMnO4 solution?
Which alkene on ozonolysis gives CH3CH2CHO and CH3COCH3?
An alkene, on ozonolysis gives formaldehyde and acetaldehyde. The alkene is
In the following sequence of reactions, the alkene gives the compound B. Identify B. CH3 – CH = CH – CH3 O H O/Zn A B -> ->