19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Anti-Markownikoff’s rule addition reaction is not observed in
In the following reaction, A and B, respectively are
An organic compound C4H6 on ozonolysis gives HCHO, CO2, CH3CHO. Compound will be :
One mole of alkene X on ozonolysis gave one mole of acetaldehyde and one mole of acetone. The IUPAC name of X is
Reaction of HBr with propene in the presence of peroxide gives
Peroxide H C CH CH HCl ->Product, the intermediate of reaction is : (a) CH CH CH (b) CH CH CH (c) CH CH CH (d) CH CH CH
An alkene on vigorous oxidation with KMnO4 gives only acetic acid. The alkene is
On catalytic reduction with H2/Pt how many alkenes will give n-butane?
The addition of HBr to 2-pentene gives
In the presence of peroxide, hydrogen chloride and hydrogen iodide do not give anti-Markownikoff’s addition to alkenes because
2-phenyl propene on acidic hydration, gives
When one mole of an alkene on ozonolysis produces 2 moles of propanone, the alkene is
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 -> ->
Products of the following reaction ? i O3 Me C=CHCH ii CH S 3 2 -> are
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
(a) (b) (c) (d)
(a) (b) (c)
Identify the product of the reaction when molecule undergoes ozonolysis (I) (II) (III) (IV) (V)
Which compound will yield 5-keto-2-methyl hexanal upon treatment with O3? (a) (b) (c) (d)
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