Which is incorrect about enantiomorphs?

  • They rotate the plane of polarized light in different directions

  • They have mostly identical physical properties

  • They have same configuration

  • They have different biological properties

How many geometrical isomers are possible of the following?

 CH3-CH=CH-CH=CH-CH3

  • 2             2. 3

  • 2

  • 4             4. 6

  • 4

Most stable radical is

  •  

  •  

  •  

  •  

Which of the following is the most stable carbonium ion?

  •  

  •  
  •  
  •  

Which of the following will have minimum C-Cl bond length?

  • CH3-CH2-Cl       

  • PhCH2-Cl
  • Ph-Cl           
  • CH2=CH-CH2-Cl

The maximum number of alkyl groups in C8H18 is:

  • 6

  • 5

  • 4

  • 2

Compounds which rotate plane polarised light clockwise direction are known as:

  • Dextrorotatory

  • Laevorotatory

  • Optically inactive compounds

  • Racemic mixture

The decreasing order of stability is-

  • A>B>C>D          

  • D>B>C>A
  • D>C>B>A          
  • A>B>D>C

Glucose and fructose are-

  • Chain isomers

  • Position isomers

  • Functional isomers

  • Optical isomers

Which among the following is most basic?

  •  

  •  

  •  

  •  

The correct structure of 3,3-dimethyl butyne is-

  •  CH3CH2-C≡C-CH2CH3

  •  (CH3)3C-C≡CH

  •  CH3-C≡CCH(CH3)2

  •  

  

The IUPAC name of the above mentioned compound is - 

  • 1,2,3-Tricyanopropane

  • Propane-1,2,3-tricarbonitrile

  • 1,2,3-Cyanopropane

  • Propane Tricarbylamine

IUPAC name of given compound is-

  • 2-Ethyl-3-methyl-hexa-1-en-4-yne

  • 5-Ethyl-4-methyl-hexa-2-yn-5-ene

  • 3-Methylene-4-methylhepta-5-yne

  • 4-Methyl-5-methylene hepta-2-yne

The IUPAC name of the compound

 

  • 3,3-diethyl-4-methyl-5 (methylethyl)octane

  • 3,3-diethyl-5-isopropyl-4-methyloctane

  • 4-isopropyl-5-methyl-6,6-diethyloctane

  • 6,6-diethyl-4-isopropyl-5-methyloctane

The IUPAC name of the compound, 

 CH3—CH2—CH—CONH2                           |                           CH3 is-

  • 2-Ethylbutanamide

  • 2-Methylbutanamide

  • 1-Amino-2-methylpropane

  • None of the above

The IUPAC name of the compound,

      is:   

  • 1,2-Dimethyl-2-butenol

  • 3-Methylpent-3-en-2-ol

  • 3,4-Dimethyl-2-buten-4-ol

  • 2,3-Dimethyl-3-pentenol

The IUPAC name of the compound

  • 2-Iodo-3-chloro-4-pentanoic acid

  • 4-Oxo-3-chloro-2-iodopentanoic acid

  • 4-Carboxy-4,3-chloro-2-butanone

  • 3-Chloro-2-iodo-4-oxopentanoic acid

The IUPAC name of the given compound is-
  • 4-Butylpenta-2,4-dienal
  • 5-Vinyloct-3-en-1-al
  • 5-Vinyloct-5-en-8-al
  • 3-Butyl-1,4-hexadien-6-al

Isobutyl chloride is-

  • CH3CH2CH2CH2Cl

  • (CH3)2CHCH2Cl

  • CH3CH2CHClCH3

  • (CH3)3C-Cl

The compound that has an isopropyl group is-

  • 2,2,3,3-Tetramethylpentane

  • 2,2-Dimethylpentane

  • 2,2,3-Trimethylpentane

  • 2-Methylpentane

 

The IUPAC name of the above mentioned compound is - 

  • 3-Methylcyclobut-1-en-2-ol

  • 4-Methylcyclobut-2-en-1-ol

  • 4-Methylcyclobut-1-en-3-ol

  • 2-Methyl cyclobut-3-en-1-ol

A paramagnetic species among the following is-

  • A carbocation                     

  • A free radical

  • A carbanion ion                 

  • All of the above

The structure of cis-bis (propenyl) ethene is:

  •  

  •  

  •  

  •  

A student named the compound as 1,4-butadiene:

  • The name is correct

  • He committed an error in the selection of carbon chain

  • He committed an error in the position of the double bond

  • Unpredictable

The IUPAC name of ,

 is-

  • 2-Chloromethyl-4-methyl-hexanal

  • 1-Chloro-4-ethyl-2-pentanal

  • 1-Chloro-4-methyl-2-hexanal

  • 1-Chloro-2-aldo-4-methylhexane

The IUPAC name of the compound is-

     CH2=C—CH2—C≡CH           |         CH3

  • 2-Methylpent-1-en-4-yne

  • 4-Methylpent-4-en-1-yne

  • 2-Methylpent-2-en-4-yne

  • 4-Methylpent-1-en-4-yne

IUPAC name of, CH3CH(OH)CH2CH2COOH is-

  • 4-Hydroxypentanoic acid

  • 1-Carboxy-3-butanoic acid

  • 1-Carboxy-4-butanol

  • 4-Carboxy-2-butanol

IUPAC name of the compound, ClCH2CH2COOH is-

  • 3-Chloropropanoic acid

  • 2-Chloropropanoic acid

  • 2-Chloroethanoic acid

  • Chlorosulfonic acid

IUPAC suffix name of -COX is-

  • oyl halide              

  • Halocarbonyl

  • Carbamoyl              

  • None of the above

IUPAC name of C6H5CN is-

  • Phenyl nitrile            

  • Benzonitrile

  • Benzyl nitrile           

  • Phenyl cyanide

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