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Hydrogen Test - 1

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Hydrogen Test - 1
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Weekly Quiz Competition
  • Question 1
    1 / -0

    When Mg3N2 is subjected to deuterolysis, the product obtained is

  • Question 2
    1 / -0

    Hydrogen has three isotopes: protium, deuterium, and tritium. Which of them is radioactive and emits beta particles ?

  • Question 3
    1 / -0

    Heavy hydrogen is also called

    Solution

    Deuterium, (D, or 2H), also called heavy hydrogen, isotope of hydrogen with a nucleus consisting of one proton and one neutron, which is double the mass of the nucleus of ordinary hydrogen (one proton). Deuterium has an atomic weight of 2.014.

  • Question 4
    1 / -0

    Match the following.

    List - I (Hydride) List - II (Type of hydride)
    A. BeH2 1. Complex
    B. AsH3 2. Lewis acid
    C. B2H6 3. Interstitial
    D. LaH3 4. Covalent
    E. LiAlH4 5. Intermediate
      6. Ionic
  • Question 5
    1 / -0

    Hydrogen is the first element in the periodic table and has resemblance to alkali metals as well as with halogens. However, its placement in the periodic table has been a subject of discussion in the past. Currently hydrogen is placed in which group?

    Solution

    H properties matches with alkali metal as well as halogens so it is placed separately

  • Question 6
    1 / -0

    Dihydrogen reacts with dioxygen to form water. The reaction is.

    Solution

    The formation of water from it's elements produces, in addition to water, a tremendous amount of energy, 572 kJ to be exact.
    2H2 + O2 → 2H2O + ENERGY
    This is an example of an exothermic reaction, a reaction that produces energy. It is also an example of what is called a combustion reaction, where a substance (in this case hydrogen gas) is combined with oxygen.

  • Question 7
    1 / -0

    Which of the following products are obtained when electricity is passed through acidified water?

  • Question 8
    1 / -0

    Hydrogen has the simplest atomic structure among all the elements around us in Nature. Its electronic configuration is

    Solution

    As Hydrogen has 1 electron which fills in orbital of s subshell of First Shell.

  • Question 9
    1 / -0

    Which of the following is not correct regarding the electrolytic preparation of H2O2?

  • Question 10
    1 / -0

    Which of these hydrogen halides forms salts like KHX2 (where X is a halogen atom)?

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