19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The reagent is Reagent R CH CCl R R C C R ->
The most suitable reagent for the following conversion, is (NEET 2019) (a) Hg / H ,H O
The alkane that gives only one monochloro product on chlorination with Cl2 in presence of diffused sunlight is (NEET 2019)
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)
Predict the correct intermediate and product in the following reaction: (NEET 2017) (a) (b) (c) (d)
Which one is the correct order of acidity? (NEET 2017)
With respect to the conformers of ethane, which of the following statements is true? (NEET 2017)
The compound that will react most readily with gaseous bromine has the formula (NEET 2017) (a) C H (b) C H (c) C H (d) C H
In which of the following molecules, all atoms are coplanar? (NEET-II 2016) (a) (b) (c) (d)
Which of the following can be used as the halide component for Friedel–Crafts reaction? (NEET-II 2016)
In the reaction i NaNH /liq.NH ii CH CH Br H C CH X -> i NaNH /liq.NH ii CH CH Br Y -> X and Y are (NEET-I 2016)
The pair of electrons in the given carbanion, CH3C≡C–, is present in which of the following orbitals? (NEET-I 2016)
Which of the following compounds shall not produce propene by reaction with HBr followed by elimination or direct only elimination reaction? (NEET-II 2016) (a)
The correct statement regarding the comparison of staggered and eclipsed conformations of ethane, is (NEET-I 2016)
Consider the nitration of benzene using mixed conc. H SO and HNO . If a large amount of KHSO4is added to the mixture, the rate of nitration will be (NEET 2016)
Which of the following is not the product of dehydration of (NEET 2015) (a) (b) (c) (d)
In the reaction with HCl, an alkene reacts in accordance with the Markovnikov’s rule to give a product 1-chloro- 1-methyl-cyclohexane. The possible alkene is (NEET 2015) (a) (b)
The following reaction is called Fridel-Craft’s reaction. In this reaction ‘X’ is (AFMC 2009) (a) (b) (c)
Benzene reacts with CH3Cl in the presence of anhydrous AlCl3 to form (AIPMT 2009)
CH CH – CH – CH CH represents a/an (AFMC 2009)
Three products are obtained by the ozonolysis of penta- 1,3-diene. Out of these if two products are formaldehyde and acetaldehyde, the name of the third one is (AFMC 2009)
Base strength of iii ii i H CCH , H C CHand H C C is in the order of (AIPMT 2008)
A (Predominantly) is (CBSE AIPMT 2008) (a) (b) (c) (d)
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
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