Chemistry Question Bank

Identify a reagent from the following list which can easily distinguish between 1-butyne and 2-butyne.

Any ring system will be ‘aromatic’ in nature if it possesses: I. planarity. II. complete delocalisation of the electrons in the ring. III. it follows Huckel Rule. Choose the correct option.

Which of the following statement(s) is/are correct regarding structure of benzene? I. All the six carbons in benzene are sp2 hybridised. II. sp2 hybridised orbital of carbon combines with another sp2 hybridised orbi…

X-ray diffraction study of benzene reveals that I. It is a planar molecule. II. C–C bond lengths are of the same order which is intermediate between C–C single bond and C–C double bond, III. Benzene is reluctant to…

The IUPAC name of is

The common name and JUPAC name of are respectively

How many isomers of 1, 2- dibromobenzene are possible according to Kekule?

Light C H Cl P -> Product ‘P’ is

(A); Unknown (A) is (a) (b) (c) (d)

Product (B) in this reaction is (a) (b) (c) (d)

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)

Which of the following compounds will not undergo Friedel-Crafts reaction easily? (NEET 2013)

Which of the following chemical system is non aromatic? (NEET 2013) (a) (b) (c) (d)

Which of the following organic compounds has same hybridization as its combustion product (CO2)? (NEET 2014)

What products are formed when meta - xylene is treated with Br2 in the presence of FeBr3? (NEET 2014) (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)

Which of the following is not the product of dehydration of (NEET 2015) (a) (b) (c) (d)

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)

The correct statement regarding the comparison of staggered and eclipsed conformations of ethane, is (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 pair of electrons in the given carbanion, CH3C≡C–, is present in which of the following orbitals? (NEET-I 2016)