IIT%20JEE/IIT%20JEE%20%20Isomerism%20And%20Stereochemistry Sample Test,Sample questions

Question:
A certain compound contain three chirality centres. The maximum number of stereoisomers it can have is

1.8

2.6

3.9

4.3

Posted Date:-2021-09-28 17:10:48


Question:
A compound whose molecules are superimposable on their mirror images even though they contain asymmetric carbon atoms is called




1.A threo compound

2.An erythro compound

3.Adissymmetric compound

4.A meso compound.

Posted Date:-2021-09-28 17:10:48


Question:
A racemic mixture contains equal ........ of dextrorotatory and laevorotatory isomers.




1.No. of molecules

2.Masses

3.No. of moles

4.All the above are correct.

Posted Date:-2021-09-28 17:10:48


Question:
Anthracene is isomeric with




1.Phenanthrene

2.Naphthalene

3.Benzene

4.None of these.

Posted Date:-2021-09-28 17:10:48


Question:
cis-2-butene and trans-2-butene can be distinguished on the basis of




1.their hydrogenation products

2.their optical rotation

3.their ozonolysis products

4.their addition procucts with bromine.

Posted Date:-2021-09-28 17:10:48


Question:
d and l forms of tartaric acid are mixed in equal proportions. The mixture is called




1.Utectic mixture

2.Azeotropic mixture

3.Diastereomers

4.Racemic mixture

Posted Date:-2021-09-28 17:10:48


Question:
Enantiomerism was discovered by




1.Vant Hoff and Le Bell

2.Louis Pasteur

3.Berzelius

4.Kolbe.

Posted Date:-2021-09-28 17:10:48


Question:
Ethoxyethane and 1-methoxy propane are




1.Chain isomers

2.Position isomers

3.Metamers

4.Tautomers.

Posted Date:-2021-09-28 17:10:48


Question:
Geometric isomerism will be exhibited by




.

1.1-Pentene

2.3-Methyl-1-butene

3.2-Pentene

4.All ot these compounds

Posted Date:-2021-09-28 17:10:48


Question:
How many isomer are possible for methylanthracene

1.2

2.3

3.4

4.5

Posted Date:-2021-09-28 17:10:48


Question:
Maleic acid and fumaric acid are




1.Position isomers

2.Geometric isomers

3.Enantiomers

4.Functional isomers

Posted Date:-2021-09-28 17:10:48


Question:
Maleic acid and fumaric acid are




1.Homologous

2.Geometrical isomers

3.Enantiomers

4.Diastereomers.

Posted Date:-2021-09-28 17:10:48


Question:
n-Butane and iso-butane are .......... isomers




1.Chain

2.Position

3.Geometric

4.Optical.

Posted Date:-2021-09-28 17:10:48


Question:
Number of dibromo derivatives possible for propane are

1.2

2.3

3.1

4.4

Posted Date:-2021-09-28 17:10:48


Question:
ow many chirality centres are present in the structrue 1-chloro-2-methylchlorohexane ?

1.2

2.3

3.4

4.1

Posted Date:-2021-09-28 17:10:48


Question:
Tartaric acid and meso-tartaric acid are




.

1.Enantiomers

2.Diastereomers

3.Geometric isomers

4.None of these

Posted Date:-2021-09-28 17:10:48


Question:
The angle of rotation ofplane polarized light in polarimeter depends upon




.

1.Cmnc. of the substance

2.Length of the tube

3.Nature ofthe substance

4.All of these

Posted Date:-2021-09-28 17:10:48


Question:
The compound which is not isomeric with diethyl ether is




1.n-Propyl methyl ether

2.1-Butanol

3.2-Methyl-2-propanol

4.Butanone

Posted Date:-2021-09-28 17:10:48


Question:
The energy difference between boat and chair conformations of cyclohexane is about


1.150 kJ/mole

2.30 kJ/mole

3.12.5 kJ/mole

4.50 kJ/mole

Posted Date:-2021-09-28 17:10:48


Question:
The energy difference between staggered and eclipsed conformations of etane is about

1.25 kJ/mole

2.30 kJ/mole

3.100 kJ/mole

4.12.5 kJ/mole

Posted Date:-2021-09-28 17:10:48


Question:
The functional isomers of ethane nitrile is




1.Ethyl carbylamine

2.Methane nitrile

3.Methyl carbylamine

4.Propane nitrile.

Posted Date:-2021-09-28 17:10:48


Question:
The functional isomers of ethers are




1.Ketones

2.Aldehydes

3.Alcohols

4.Esters.

Posted Date:-2021-09-28 17:10:48


Question:
The instrument used for measuring specific rotation is




1.Spectrometer

2.Polarimeter

3.Lactometer

4.Ammeter.

Posted Date:-2021-09-28 17:10:48


Question:
The least stable conformation of cyclohexane is




1.Boat

2.Chair

3.Twist boat

4.Half chair.

Posted Date:-2021-09-28 17:10:48


Question:
The number of dichloro derivatives of naphthalene is




1.Ten

2.Fourteen

3.Six

4.Five.

Posted Date:-2021-09-28 17:10:48


Question:
The number of monosubstitutionderivatives possible for naphthalene is


1.one

2.two

3.three

4.four

Posted Date:-2021-09-28 17:10:48


Question:
The number of stereoisomers possible for 2 3-pentanediol is




1.two

2.three

3.four

4.five.

Posted Date:-2021-09-28 17:10:48


Question:
The process of separation of (dl)-mixture into its constituents is referred to as




.

1.Fractional distillation

2.Resolution

3.Fragmentation

4.Sedimentation

Posted Date:-2021-09-28 17:10:48


Question:
The simplest alcohol that can exhibit enantiomerism is




.

1.1-Propanol

2.1-Butanol

3.2-Propanol

4.2-Butanol

Posted Date:-2021-09-28 17:10:48


Question:
The simplest alkane capable of exhibiting chain isomerism has ..... carbon atoms.




1.three

2.five

3.four

4.six.

Posted Date:-2021-09-28 17:10:48


Question:
The simplest alkane which can exhibit enantiomerism has


1.5 carbon atoms

2.6 carbon atoms

3.7 carbon atoms

4.4 carbon atoms

Posted Date:-2021-09-28 17:10:48


Question:
The simplest alkene which is capable of exhibiting geometric isomerism has



1.3 carbon atoms

2.5 carbon atoms

3.6 carbon atoms

4.4 carbon atoms.

Posted Date:-2021-09-28 17:10:48


Question:
Total number of conformations of ethane are




1.2

2.3

3.4

4.Infinite.

Posted Date:-2021-09-28 17:10:48


Question:
Which of th efollowing compounds is expected to be most reactive ?




1.Cyclohexane

2.Cyclopropane

3.Cyclobutane

4.Cyclopentene.

Posted Date:-2021-09-28 17:10:48


Question:
Which of th efollowing does not contain any asymmetric carbon but can show enantiomerism ?




1.Lactic acid

2.13-Pentadiene

3.Trataric acid

4.23-Pentadiene.

Posted Date:-2021-09-28 17:10:48


Question:
Which of th efollowing isomerisms is shown by alkenes but not by alkanes ?




1.conformational

2.Optical

3.Geometric

4.Chain.

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following alkanes can form only two monochloro derivatives ?




1.Hexane

2.2-Methyl pentane

3.23-Dimethylbutane

4.3-Methyl pentane.

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following can exhibit enantiomerism ?




1.cis-12-Dichlorocyclobutane

2.trans-12-Dichlorocyclobutane

3.cis-12-Dichlorocyclobutane

4.trans-13-Dichlorocyclobutan

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following can exist as diastereomers ?




1.Lactic acid

2.1-Butene

3.2-Butene

4.Ethane.

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following compound has chiral structure ?




1.2-Metyylpentane

2.23-Dimethylpentane

3.Isoamyl alcohol

4.Trimethylamine.

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following compound will show stereoisomerism ?




1.4-Chlorobutan-1-ol

2.Tertiary butyl alcohol

3.sec-butyl amine

4.n-butyl alcohol.

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following compounds can exhibit geometrical isomerism ?




1.1-Hexene

2.2-Methyl-2-pentene

3.3-Methyl-1-pentene

4.2-Hexene.

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following compounds can exist in mesoform ?




1.12-Dichlorobutane

2.23-Dichloropentane

3.23-Dichlorobutane

4.none

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following compounds can show geometric isomerism ?




.

1.Vinyl chloride

2.1,1-Dichloroethene

3.1,2-Dichloroentene

4.Trichloroethene

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following compounds does not exhibit geometric isomerism ?




1.11-Dichloro-2-butene

2.12-Dichloro-2-butene

3.11-Dichloro-1-butene

4.23-Dichloro-2-butene.

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following compounds exhibit tautomerism ?




1.Cloroethane

2.Ethanol

3.Ethoxyethane

4.Nitroethane.

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following compounds is isomeric with trimethyl amine ?




1.1-Propanamine

2.2-Propanamine

3.both

4.None.

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following is a chiral molecule ?




1.1-Chloropropane

2.2-Chloropropane

3.1-Chlorobutane

4.2-Chlorobutane.

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following is responsible for the inability of meso compound to show optical activity ?





1.Absence of chirality centre

2.Presence of more than one chirality centres

3.Dissymmetric nature of its structure

4.Internal compensation.

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following is the functional isomer of methyl acetate ?




.

1.Ethyl acetate

2.Propanoic acid

3.Ethyl formate

4.Propanone

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following pairs of compounds are tautomers ?




1.Propanol and propanone

2.1-Propanol and 2-propanol

3.Ethanol and vinyl alcohol

4.Vinyl alcohol and ethanal.

Posted Date:-2021-09-28 17:10:48


Question:
Which of the following statements is false ?





1.Enantiomers have same m.p. and b.p.

2.A mixture containing equal amounts of enantiomers is optically inactive

3.Enantiomers have same chemical properties

4.A micture containing two enantiomers can be separated into fractions containing pure enantiomers.

Posted Date:-2021-09-28 17:10:48


Question:
Which of thefollowing conformations of n-butane is the least stable ?




1.Gauche

2.Anti

3.Eclipsed

4.Fully eclipsed.

Posted Date:-2021-09-28 17:10:48


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!