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Chemistry Test 127
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Chemistry Test 127
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  • Question 1/10
    4 / -1

    'X' is :-

  • Question 2/10
    4 / -1

    Major product is :-

    Solutions

     

  • Question 3/10
    4 / -1

    Which of the following intermediate act as electrophile ?

  • Question 4/10
    4 / -1

    PhMgBr +  —→ Product (P) :-

  • Question 5/10
    4 / -1

    What is the product of 1, 4-addition in the reaction shown below ?

  • Question 6/10
    4 / -1

    If the shortest wavelength of H-atom in Lyman series is x, then longest wavelength in Balmer series of He+ is :-

    Solutions

     

  • Question 7/10
    4 / -1

    For which of the following reactions is product formation favoured by low pressure and high temperature ?

    Solutions

     

  • Question 8/10
    4 / -1

    How many milligrams of Au3+ ions are present in 1L saturated solution of gold (III) iodide ?

    (Ksp = 2.7 × 10–47 and atomic mass of Au = 197)

    Solutions

     

  • Question 9/10
    4 / -1

    Standard entropies of X2, Y2 and XY3 are 60, 40 and 50 JK–1 mol–1 respectively. For the reaction XY3, ΔH = –30 kJ to be at equilibrium, the temperature should be :-

    Solutions

     

  • Question 10/10
    4 / -1

    With hot and concentrated NaOH, Cl2 gas gives :-

    Solutions

    NaOH + Cl2  NaCl + NaClO3

     

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