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Chemistry Test 184
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Chemistry Test 184
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  • Question 1/10
    4 / -1

    The correct IUPAC name of following compound is

    Solutions

    (2- hydroxybutyl) group is substituent.

     

  • Question 2/10
    4 / -1

    A hydrocarbon (P) on ozonolysis in presence of zinc gives only one dicarbonyl compound, which gives both Tollen’s and iodoform test. Identify the structure of (P).

    Solutions

     

  • Question 3/10
    4 / -1

    Consider the true/false of the following statements:

    S1: The most stable resonating structure of p-nitrophenol (not having aromatic ring) is 

    S2 : In  all C–O bonds are of equal length.

    S3 : CH3COONa is more resonance stabilised than the protonated acid CH3COOH.

    S4 : Benzene ring is more electron dense in phenol than phenoxide.

    Solutions

    S1 : Most stable resonating structure is 

     group has greater +m effect, so it makes phenoxide ion more electron dense.

     

  • Question 4/10
    4 / -1

    Choose the strongest base among the following :

    Solutions

    Only in (D) the l.p of N atom is not involved in resonance with benzene ring.

     

  • Question 5/10
    4 / -1

    A hydrocarbon ‘X’ C7H10 is catalytically hydrogenated to C7H14 ‘Y’. 'Y' gives six monochloro products after photochemical chlorination. The structure of 'X'  is -

    Solutions

    C7H10 DU = 3

    six monochloro products

     

  • Question 6/10
    4 / -1

    The feasible reaction is :

    Solutions

    Salicylic acid  is more acidic than p-hydroxy benzoic acid.

     

  • Question 7/10
    4 / -1

    The incorrect information about the given reaction is :

    Solutions

    The compound (I) does not racemise during enolisation, because the carbon atom with α-H is not asysmmetric carbon atom.

     

  • Question 8/10
    4 / -1

    For the given reaction the correct reactivity order of H-atoms is :

    Solutions

    Reactivity depends upon stability of free radicals generated at y,zx and w respectively.

     

  • Question 9/10
    4 / -1

    In the given sequence of reactions which of the following is the correct structure of compound A.

    Solutions

     

  • Question 10/10
    4 / -1

    Which of the following is not correctly ordered for resonance stability

    Solutions

    Follow the rules for stability of resonating structures (structure with more number of p-bonds is more stable).

     

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