19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
When propyne is treated with aqueous H2SO4 in presence of HgSO4, the major product is
Products of the following reaction (i) O3 CH C C – CH CH ........ are (ii) Hydrolysis -> (a) CH CHO CH CH CHO (b) CH COOH CH COCH (c) CH COOH HOOC CH CH x (d) CH COOH CO
In the following reaction, What is X ?
Which of the following will give H2 gas with Na ?
Acetylene on treating with Cu2Cl2 gives
Aromatic compounds are
The following reaction is called Fridel-Craft’s reaction. In this reaction ‘X’ is (AFMC 2009) (a) (b) (c)
Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by (AIPMT 2010)
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)
Which one of the following reactions is expected to readily give a hydrocarbon product in good yields? (a) Electrolytic RCOOK oxidation -> (b) Br2 RCOO Ag -> (c) Br2 RCOO Ag ->
Consider the following statements : A hydrocarbon of molecular formula C5H10 is a I. monosubstituted alkene II. disubstituted alkene III. trisubstituted alkene Which of the following statement(s) is(are) correct?
The reagent is Reagent R CH CCl R R C C R ->