19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Choose the reagent to carry out the reaction.
Identify the major product (a) (b) (c) (d)
P should be (a) (b) (c) (d)
Which is most acidic of the following ?
(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?
(a) (b) (c) (d)
Bayer’s reagent 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
An alkene, on ozonolysis gives formaldehyde and acetaldehyde. The alkene is
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
The number of and -bonds in but-1-ene-3-yne are
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
On catalytic reduction with H2/Pt how many alkenes will give n-butane?
2-phenyl propene on acidic hydration, gives
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
When one mole of an alkene on ozonolysis produces 2 moles of propanone, the alkene is
Anti-Markownikoff’s rule addition reaction is not observed in