Chemistry Question Bank

Which compound cannot be formed from the Wurtz reaction? (CPMT 2010)

Among the given compounds, one which can be distinguished by AgNO3 is (AFMC 2010)

Which one is the most reactive towards electrophilic reagent? (AFMC 2010) (a) (b) (c) (d)

In the following reaction, the product ‘R’ is CH Cl H O Hotiron tube AlCl CaC P Q R -> -> -> (AFMC 2010)

In the following the most stable conformation of n- butane is (AIPMT 2010) (a) (b) (c) (d)

Considering the state of hybridization of carbon atoms, find out the molecule among the following which is linear? (AIPMT 2011)

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)

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)

Which of the following can be used as the halide component for Friedel–Crafts reaction? (NEET-II 2016)

In which of the following molecules, all atoms are coplanar? (NEET-II 2016) (a) (b) (c) (d)

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