MCQ (Previous Year Questions) - Hydrocarbons (Level 2) - JEE MCQ
25 Questions MCQ Test - MCQ (Previous Year Questions) - Hydrocarbons (Level 2)
Which one of the following alkenes will react fastest with H2 under catalytic hydrogenation condition– [IIT ‘2000]
Propyne and propene can be distinguished by – [IIT ‘2000]
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Statement-1 : 1-butene on reaction with HBr in the presence of a peroxide produces 1-bromobutane.
Statement-2 : It involves the formation of a primary radical. [IIT 2000]
Statement-2 : It involves the formation of a primary radical. [IIT 2000]
In the presence of peroxide, hydrogen chloride and hydrogen iodide do not give anti–Markonikoff addition to alkene because – [IIT ‘2001]
Hydrogenation of the above compound in the presence of poisoned paladium catalyst gives – [IIT ‘2001]
The reaction of propene with HOCl proceeds via the addition of – [IIT ‘2001]
Statement-1 : Addition of bromine to trans-2-butene yields meso-2, 3-dibromo butane.
Statement-2 : Bromine addition to an alkene is an electrophilic addition. [IIT 2001]
Consider the following reactions – [IIT ‘2002]
Identify the structure of the major product ‘X’
Identify a reagent from the following list which can easily distinguish between 1–butyne and 2-butyne-
[IIT ‘2002]
Identify the set of reagents/reaction conditions 'X' and 'Y' in the following set of transformation
[IIT 2003]
5 compounds of molecular formula C4H8Br2 Number of compounds in X will be: [IIT ‘2003]
2–hexyne can be converted into trans–2–hexene by the action of : [IIT ‘2004]
2-phenyl propene on acidic hydration, gives [IIT ‘2004]
How many chiral compounds are possible on mono chlorination of 2-methyl butane ? [IIT ‘2004]
1–bromo–3–chlorocyclobutane when treated with two equivalents of Na, in the presence of ether which of the following will be formed? [IIT ‘2005]
Cyclohexene is best prepared from cyclohexanol by which of the following [IIT ‘2005]
CH3–CH=CH2 + NOCl → P Identify the adduct. [IIT 2006]
M(isomeric products). What are N and M ? [IIT ‘2006]
The number of structural isomers for C6H14 is [IIT 2007]
The number of stereoisomers obtained by bromination of trans-2-butene is [IIT 2007]
The reagent(s) for the following conversion, [IIT 2007]
is / are
The correct stability order for the following species is [IIT ‘2008]
In the following carbocation, H/ CH3 that is most likely to migrate to the positively charged carbon is
[IIT 2009]
Intermediate produced when propene react with HCl in presence of peroxide [IIT 2009]
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