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Chemistry Test 268

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Chemistry Test 268
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Weekly Quiz Competition
  • Question 1
    4 / -1

    Calculate the reduction potential of the electrode Pt, H₂ (4 atm) | H₂SO₄ (0.01 M) at 25°C.

    Given: The standard reduction potential of the hydrogen electrode is 0 V.

    Solution

     

  • Question 2
    4 / -1

    If molecular weight of As2S3 is M. Then in the following reaction As2S3 + 7NaClO3 + 12NaOH → 2Na3AsO4 + 7NaClO + 3Na2SO4 + 6H2O. the equivalent weight of As2S3 is

    Solution

     

  • Question 3
    4 / -1

    Which will give only one product (excluding stereoisomer) when undergoing E2 reaction ?

    Solution

     

  • Question 4
    4 / -1

    Assume that a particular amino acid has isoelectric point as 6.0. In a solution at PH 1.0 which of the following will predominate

    Solution

     

  • Question 5
    4 / -1

    Solution

    According to CIP rule

    Clockwise is R configuration and Anti-clockwise is S configuration

     

  • Question 6
    4 / -1

    Solution

     

  • Question 7
    4 / -1

    Which of the following does not occur in Bessemer’s converter

    Solution

    n Bessemer’s converter

    2CuFeS2 + O2→Cu2S + 2 FeS + SO2 does not take place

    Hence, option (c) is correct

     

  • Question 8
    4 / -1

    Solution

    Activation energy is energy from reactant to highest energy barrier

    So activation energy is ‘x’ hence A option is correct

     

  • Question 9
    4 / -1

    Which of the following is buffer-

    Solution

    Buffer is conjugate acid and salt of conjugate base pair.

    Hence option (C) is correct answer.

     

  • Question 10
    4 / -1

    Nitrogen dioxide cannot be obtained from

    Solution

     

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