The order of decreasing reactivity towards an electrophilic reagent, for the following:-
(i) Benzene
(ii) Toluene
(iii) Chlorobenzene
(iv) Phenol

would be:-

  • (i) > (ii) > (iii) > (iv)

  • (ii) > (iv) > (i) > (iii)

  • (iv) > (iii) > (ii) > (i)

  • (iv) > (ii) > (i) > (iii)

Reaction of alkene and peracid gives oxirane. This reaction is named as-

 

  • Peroxidation                                   

  • Oxidation

  • epoxydation                                   

  • None

C|HH2-C|ClH2→alc.NaOHCH2=CH2

The most probable mechanism for the above reaction is-

  • E1                                        

  • E2

  •  E 1CB                                    

  •  α-elimination

The number of isomeric sodium salt of acid that will be required to obtain neopentane is-

 

  • 3                                   

  • 1

  • 4                                                  

  • 6

Propadiene, C3H4 molecule contains –

(A) Two sp2 and one sp hybrid carbon

(B) One sp2 and two sp hybrid carbons

(C) One sp2 and three sp hybrid carbons

(D) None of these

 
  • 1
  • 2
  • 3
  • 4

 CH3Cl & C2H5Cl undergoes Wurtz reaction to give -

  • Propane + Ethane                                                 

  • Propane

  • Propane + Ethane + Butane                                  

  • Propane + Butane

Reaction of alkene and peracid gives oxirane. This reaction is named as-

  • Peroxidation                                   

  • Oxidation

  • epoxydation                                   

  • None

      CH2|H-CH2|Cl→alc.NaOHCH2=CH2

The most probable mechanism for this reaction is-

  • E1                                         

  • E2

  •  E1CB                                     

  • α elimination

The compound  among the following that undergoes reaction with ammonical AgNO3 is-

  •  

  •  CH3 – CH = CH – C ≡ CH

  •   CH3– CH2CH = CH – CH2 – CH3

  •   CH2 = CH – CH2– CH3

The no. of isomeric sodium salt that will be required to obtain neopentane.

  • 3                                                   

  • 1

  • 4                                                   

  • 6

Propadiene, C3H4 molecule contains –

  • Two sp2and one sp hybrid carbon

  • One sp2 and two sp hybrid carbons

  •  One sp2 and three sp hybrid carbons

  •  None of these

In Wurtz reaction if we take CH3Cl & C2H5Cl then product, will be-

  • Propane + Ethane                                                 

  • Propane

  • Propane + Ethane + Butane                                

  • Propane + Butane

The compound most likely to decolorise a solution of cold basic KMnO4 is –

  •  CH3– CH3                                              

  •   CH3CH2CH3

  •  (CH3)4C                                                   

  •  CH3CH = CHCH2CH2CH3

Sabatier Senderen’s reaction is an example of-

  • Non thermic reaction                                

  • Exothermic reaction

  • Endothermic reaction                                

  • None of the above

The type of reaction and intermediate of decarboxylation reaction are.-

  •                                                  

  •  

  •                                                   

  •  

The compound that has the maximum melting point among the following is-

  •  C5H12

  •  C4H10                                   

  •  C6H14                                   

  •  C7H16

The correct order of acidity is-
 
 
 
 

 
  •  CH≡CH >CH3-C≡CH >CH2=CH2 >CH3-CH3
  •  CH≡CH >CH2=CH2 >CH3-C≡CH >CH3-CH3
  •  CH3-CH3 >CH2=CH2 >CH3-C≡CH >CH≡CH
  •  CH2=CH2 >CH3-CH3 >CH3-C≡CH >CH≡CH

Which of the following compounds shall not produce propene by reaction with HBr followed by elimination or direct only elimination reaction?

  •   

  •  

  •  

  •  

The compound C7H8 undergoes the following reactions : 

C7H8→3Cl2/hvA→Br2/FeB→Zn/HCl C
 
The product 'C' is-
 
  • m–Bromotoluene
  • o–Bromotoluene
  • 3–Bromo–2,4,6–trichlorotoluene
  • p–Bromotoluene

    •  

    P, Q, and R in the above-mentioned sequence of reactions are respectively -

     
     
     

     
    The molecule among the following that has the hybridization sp2, sp2, sp, and sp from left to right atoms is-
    1. HC≡C-C≡H
     
     
     

    The correct statement regarding the comparison of staggered and eclipsed conformations of ethane is-
    H-C≡CH →ii CH3CH2Bri NaNH2/liq.NH3 X →ii CH3CH2Bri NaNH2/liq.NH3 Y 
    X and Y in the above-mentioned reaction are respectively -

     HCl with an alkene X reacts in accordance with Markovnikov’s rule to give 1-Chloro-1-methylcyclohexane. The structure of alkene (X) is - 

     
     
     
     
     
     

     

    The reaction of C6H5CH =CHCH3 with HBr produces-

    Above mentioned single molecule is obtained from ozonolysis. The starting cyclic compound is -

    Given compounds are as follows:

    (I) 
    (II)      
     
    (iii)   
    The enthalpy of hydrogenation of these compounds will be in the order as-

    What products are formed when the following compound is treated with Br2 in the presence of FeBr3? 


         

    CH3CH2CH=CH2→H2O2HBrY→C2H5ONaZ

    Product Z in the above-mentioned reaction is -

    The isobutyl group among the following is-
    0:0:1


    Answered Not Answered Not Visited Correct : 0 Incorrect : 0

    Practice Chemistry Quiz Questions and Answers