IIT%20JEE/IIT%20JEE%20%20Chemistry%20Of%20Hydrocarbons%20Part%201 Sample Test,Sample questions

Question:
12-butyne when reduced with palladised charcoal with poisons like quinoline gives     

1.1-butene

2.butane

3.trans-2 butene

4.cis 2-butene

Posted Date:-2021-10-01 16:19:26


Question:
A mixture of 1-chloropropane and 2-chloropropane is treated with alcoholic KOH. The resulting mixture will have     

1.1-propene

2.2-propene

3.1-propanol

4.a mixture of 1-propene and 2-propene

Posted Date:-2021-10-01 16:19:26


Question:
A mixture of sodium butanoate and 2-methyl sodium propanoate is heated with sodalime. The resulting compound will be     

1.propane and propyne

2.a mixture of propane and 2-methyl propane

3.methane

4.propane

Posted Date:-2021-10-01 16:19:26


Question:
Acetylene can be converted into methyl vinyl ether on reaction with     

1.Vinyl alcohol

2.Methyl alcohol

3.Dimethyl ether

4.Methanal.

Posted Date:-2021-10-01 16:19:26


Question:
Alcohholic solution of caustic potash is a specific reagent for     

1.Dehydration

2.Dehydrohalogenation

3.Dehydrogenation

4.Hydration.

Posted Date:-2021-10-01 16:19:26


Question:
Alcoholic solution of caustic potash is a specific reagent for    

1.dehydro-halogenation

2.dehydrogenation

3.dehydration

4.hydration

Posted Date:-2021-10-01 16:19:26


Question:
Alkenes are isomeric with     

1.cycloalkenes

2.cycloalkanes

3.alkanes

4.alkenes

Posted Date:-2021-10-01 16:19:26


Question:
Alkyl halides gives alkenes when treated with     

1.alc KOH

2.aq KOH

3.molten KOH

4.All the above

Posted Date:-2021-10-01 16:19:26


Question:
Alkynes when reduced with sodium in liquid ammonia gives      

1.1-alkene only

2.a mixture of cis and trans

3.alkenes

4.None of them

Posted Date:-2021-10-01 16:19:26


Question:
Among the alkanes with an increase in mol wt??.     

1.m.pt. decreases

2.f.pt. decreases

3.b.pt increases

4.density decreases

Posted Date:-2021-10-01 16:19:26


Question:
An example of conjugate diene is  

1.hexadiene 1 5

2.butadiene 1 2

3.butadiene 1 3

4.pentadiene 1 4

Posted Date:-2021-10-01 16:19:26


Question:
Aromatisation is the conversion of     

1.higher hydrocarbon to lower ones

2.mixing of aromatic hydrocarbon

3.a hydrocarbon to benzene

4.None of above

Posted Date:-2021-10-01 16:19:26


Question:
Aromatisation is the conversion of    

1.higher hydrocarbon to lower ones

2.mixing of aromatic hydrocarbon

3.a hydrocarbon to benzene

4.None of above

Posted Date:-2021-10-01 16:19:26


Question:
Bromination of isobutene gives as major product     

1.n-butyl bromide

2.tert. butyl bromide

3.isobutyl bromide

4.None of the above

Posted Date:-2021-10-01 16:19:26


Question:
Cetane is      

1.n-Hexane

2.n-Octane

3.n-Pentadecane

4.n-Hexadecane.

Posted Date:-2021-10-01 16:19:26


Question:
Crude oil is a complex mixture of     

1.acids

2.alcohols

3.hydrocarbons

4.esters

Posted Date:-2021-10-01 16:19:26


Question:
Dehydrohalogenation of alkyl dihalides gives     

1.alkyl halides

2.alkynes

3.alkenes

4.alkanes

Posted Date:-2021-10-01 16:19:26


Question:
During distillation of coal tar naphthalene is a constituent of     

1.Middle oil

2.Green oil

3.Light oil

4.Heavy oil.

Posted Date:-2021-10-01 16:19:26


Question:
Ethylene when treated with bromine water gives     

1.ethyledene bromide

2.ethylene bromohydrin

3.ethylene bromide

4.methanol

Posted Date:-2021-10-01 16:19:26


Question:
In ethane each carbon atom is bonded to  

1.4 atoms

2.2atoms

3.3 atoms

4.5 atoms

Posted Date:-2021-10-01 16:19:26


Question:
In which of the following C-H bond will be smallest?     

1.Ethylene

2.Acetylene

3.Methane

4.Ethane

Posted Date:-2021-10-01 16:19:26


Question:
Iodoform can be prepared in the laboratory by the action of iodine on sodium hydroxide in the presence of     

1.formaldehyde

2.acetaldehyde

3.acetic acid

4.formic acid

Posted Date:-2021-10-01 16:19:26


Question:
isomers of butyl chloride which will undergo dehydrogenation more readily    

1.Among the different

2.tert. butyl chloride

3.sec. butyl chloride

4.n-butyl chloride

Posted Date:-2021-10-01 16:19:26


Question:
Octane number of iso-octane is  

1.Zero

2.100

3.80

4.20

Posted Date:-2021-10-01 16:19:26


Question:
Olafins means      

1.ethene

2.unsaturated

3.oil forming

4.having tripple bond

Posted Date:-2021-10-01 16:19:26


Question:
On ozonolysis and subsequent hydrolysis an alkene gave 2 molecules of formaldehyde and hydrogen peroxide. The alkene is     

1.ethylene

2.butylene

3.propylene

4.None of these

Posted Date:-2021-10-01 16:19:26


Question:
Polythene is a polymer of     

1.ethylene

2.propylene

3.isobutene

4.vinyl chloride

Posted Date:-2021-10-01 16:19:26


Question:
Propane when treated with conc. Nitric acid at 723 K gives    

1.2-nitropropane

2.1-nitropropane

3.a mixture of nitromethane nitroethane 1-

4.a mixture of nitromethane nitroethane 1-nitropropane and 2-nitropropane nitroethane and nitromethane

Posted Date:-2021-10-01 16:19:26


Question:
Sodium propionate on decarboxylation with soda-lime gives     

1.Propane

2.Ethane

3.Butane

4.Pentane.

Posted Date:-2021-10-01 16:19:26


Question:
Sodium propionate on decarboxylation with soda-lime gives     

1.Propane

2.Ethane

3.Butane

4.Pentane.

Posted Date:-2021-10-01 16:19:26


Question:
Tetraethyl lead is used as     

1.petroleum additive

2.ethylating agent

3.antrepeller

4.catalyst

Posted Date:-2021-10-01 16:19:26


Question:
The addition reaction of carbon-carbon double bonds are   free radical addition  None of the above

1.nucleophilic addition

2.free radical addition

3.electrophilic addition

4.None of the above

Posted Date:-2021-10-01 16:19:26


Question:
The formation of PVC from vinyl chloride is an example of     

1.condensation polymerisation

2.addition polymerisation

3.substitution reaction

4.None of these

Posted Date:-2021-10-01 16:19:26


Question:
The higher fraction of crude oil burn with   pinkish flame  

1.smokiest flame

2.pinkish flame

3.blue flame

4.red flame

Posted Date:-2021-10-01 16:19:26


Question:
The least substituted alkene is the major product in accordance with     

1.Vant Hoff rule

2.Wurtz reaction

3.Markounikoffs rule

4.Hoffmanns rule

Posted Date:-2021-10-01 16:19:26


Question:
The minimum temp. at which oil gives sufficient vapours to form an explosive mixture with air is known as     

1.optimum temp.

2.kindling temp.

3.flash point

4.last point

Posted Date:-2021-10-01 16:19:26


Question:
The number of isomeric pentanes is  

1.4

2.3

3.2

4.1

Posted Date:-2021-10-01 16:19:26


Question:
The reactivity of a hydrogen in an alkane depends on   carbon atoms   

1.conditions

2.carbon atoms

3.the alkane in which it is present

4.whether the hydrogen is primary secondary or tertiary

Posted Date:-2021-10-01 16:19:26


Question:
To increase the yield of gasoline from a given sample of crude oil the chemist carries out     

1.Fractiomal distillatiom

2.Hydrolysis

3.Aromatization

4.Cracking.

Posted Date:-2021-10-01 16:19:26


Question:
Vapours of ethyl alcohol when passed over phosphoric acid at 220 degreeCentigrade gives    

1. diethyl phosphate

2.methylene

3.ethyl hydrogen phosphate

4.ethylene

Posted Date:-2021-10-01 16:19:26


Question:
Vapours of n-hexane when passed over special catalysts under high pressure and temperature given benzene This process is called     

1.cyclisation

2.aromatisation

3.isomerisation

4.crystallization

Posted Date:-2021-10-01 16:19:26


Question:
When two alkenes may be formed by dehydrohalogenation of an alkyl halide the alkene which is more substituted is the major or preferred product. This generalisation is known as     .

1.Markownikoffs rule

2.Anti-Markownikoffs rule

3.Saytzeff rule

4.None of these is correct

Posted Date:-2021-10-01 16:19:26


Question:
Which of the following alkanes will undergo oxidation readily?     

1.ethane

2.iso-butane

3.iso-pentane

4.2 methyl propane

Posted Date:-2021-10-01 16:19:26


Question:
Which of the following can form metallic derivatives by the replacement of hydrogen atoms?  Ethylene   

1.Ethylene

2.Acetylene

3.Ethane

4.Methane

Posted Date:-2021-10-01 16:19:26


Question:
Which of the following has dipole moment?     

1.trans-2-butene

2.1-propene

3.cis-2-butene

4.Both A and B

Posted Date:-2021-10-01 16:19:26


Question:
Which of the following has minimum boiling point?  isopentane   both A and B

1.isopentane

2.neopentane

3.n-pentane

4.both A and B

Posted Date:-2021-10-01 16:19:26


Question:
Which of the following have maximum boiling point?     

1.n-pentane

2.isopentane

3.isohexane

4.n-hexane

Posted Date:-2021-10-01 16:19:26


Question:
Which of the following will show maximum possible isomers?     

1.Pentene

2.Pentane

3.Butane

4.Butene

Posted Date:-2021-10-01 16:19:26


Question:
With the increase in branching the boiling point     

1.decreases

2.increases

3.no regular gradation

4.remains constant

Posted Date:-2021-10-01 16:19:26


Question:
Wurtz reaction cannot be used for the preparation of     

1.alkanes containing odd no. of C-atoms

2.alkanes containing even no. of C-atoms

3.methane

4.both methane and odd no. of C-atoms

Posted Date:-2021-10-01 16:19:26


More MCQS

  1. IIT JEE Heat And Thermodynamics
  2. IIT JEE PHYSICS Current Electricity
  3. IIT JEE Fluids At Rest
  4. IIT JEE Description Of Motion In One Dimension part1
  5. IIT JEE Magnetic Effect Of Current And Magnetism
  6. IIT JEE Principles Of Communication set-1
  7. IIT JEE Principles Of Communication set-2
  8. IIT JEE Description Of Motion In One Dimension part2
  9. IIT JEE Electromagnetic Induction Electromagnetic Waves Part-1
  10. IIT JEE Circular Motion Centre Of Mass
  11. IIT JEE Elasticity
  12. IIT JEE Motion In Two And Three Dimensions part1
  13. IIT JEE Electromagnetic Induction Electromagnetic Waves Part 2
  14. Electrons And Dual Nature Of Matter And Radiations
  15. IIT Chemistry Of Lighter Metals
  16. IIT JEE Gravitation part1
  17. IIT JEE Gravitation part 2
  18. IIT JEE Laws Of Motion
  19. IIT JEE Alcohols And Phenols
  20. IIT JEE CHEMISTRY Biomolecules And Biological Processes
  21. IIT JEE CHEMISTRY Chemical Bonding And Molecular Structure Part-1
  22. IIT JEE Gaseous State
  23. IIT JEE Organic Compounds Containing Halogens
  24. IIT JEE Qualitative Inorganic Analysis
  25. IIT JEE Solid State
  26. IIT JEE Atoms Molecules And Chemical Arithmetic
  27. IIT JEE Aldehydes And Ketones
  28. IIT JEE Chemistry Of Non Metals
  29. IIT JEE Chemistry Of Heavier Metals
  30. IIT JEE Isomerism And Stereochemistry
  31. IIT JEE Organic Compounds Containing Nitrogen
  32. IIT JEE Environmental Chemistry set 1
  33. IIT JEE Chemical Energetics And Thermodynamics
  34. IIT JEE CHEMISTRY Chemical Bonding And Molecular Structure Part-2
  35. IIT JEE Environmental Chemistry set 2
  36. IIT JEE Solutions Mcq Questions Part-1
  37. IIT JEE Synthetic And Natural Polymers Part 1
  38. IIT JEE Synthetic And Natural Polymers Part 2
  39. IIT JEE Transition Metals Including Lanthanides
  40. IIT JEE Atomic Structure
  41. IIT JEE Solutions Mcq Questions part 2
  42. IIT JEE Carboxylic Acids And Their Derivatives
  43. IIT JEE Chemical Equilibrium
  44. IIT JEE Chemistry Of Hydrocarbons Part 1
  45. IIT JEE Chemistry Of Hydrocarbons Part 2
  46. IIT JEE Chemistry Of Representative Elements
  47. IIT JEE Fundamental Concepts Of Organic Chemistry
  48. IIT JEE Surfaces And Catalysis
  49. IIT JEE Redox Reactions And Electrochemistry
  50. Mechanical Engineering Engineering Mechanics Part 1
  51. Mechanical Engineering Engineering Mechanics Part-2
  52. Programming Computer Architecture
  53. IIT JEE Purification Of Organic Compounds .
  54. IIT JEE Nuclear Chemistry
  55. Basic Civil Engineering Questions and Answers
Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!