19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
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:
The compound X is : (a) (b) (c)
A; A can be: (a) (b) (c)
The reaction of toluene with Cl2 in presence of FeCl3 gives predominantly
Suitable product of this reaction is (a) (b) (c) (d)
Compound X, is: (a) (b) (c)
The compound B is (a) (b) (c) (d)
When of the following hydrocarbon is mainly present in gobargas?
Marsh gas mainly contains
Predict the product C obtained in the following reaction of butyne-1. (CBSE AIPMT 2007) HI CH CH – C CH HCl B C -> ->
Which of the compound with molecular formula C5H10 yields acetone on ozonolysis? (AIPMT 2007)
The compounds formed at anode in the electrolysis of an aqueous solution of potassium acetate, are (CPMT 2008) (a) C H and CO (b) C H and CO (c) CH and H (d) CH and CO
When 2-chloro-2-methylbutane is heated with alcoholic KOH, the possible product/s is/are (Kerala CEE 2008) (i) 3 2 (CH ) C CHCH (ii) CH C (CH ) CH CH (iii) 3 2 (CH ) CHCH CH
In the following reaction The major product is (AIPMT 2012) (a) (b)
Which of the following reagents will be able to distinguish between 1-butyne and 2-butyne? (AIPMT 2012)
Among the following compounds the one that is most reactive towards electrophilic nitration is (AIPMT 2012)
In the following reaction: (NEET 2013) H SO Hg HC CH ' ' P -> Product ‘P’ will not give
Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating? (NEET 2013)