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The minimum amount of energy required t...

The minimum amount of energy required the most loosely bounded electron is called

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The net enthalpy change of a reaction is the amount of energy required to break all the bonds in reactant molecules minus amount of energy required to form all the bonds in the product molecules. What will be the enthalpy change for the following reaction. H_(2(g)) + Br_(2(g)) to 2HBr_((g)) . Given that Bond energy of H_(2), Br_(2) and HBr is 435 "kJ mol"^(-1), 192 "kJ mol"^(-1) and 368 "kJ mol"^(-1) respectively.

How much energy is required to ionise a H atom if the electron occupies n=5 orbit ? Compare your answer with the ionization enthalpy of H atom (energy required to remove the electron from n=1 orbit).

Knowledge Check

  • Give no. of energy state orbital and electrons in N orbital .

    A
    4,12,32
    B
    4,16 ,30
    C
    4,16 ,32
    D
    4,32,64

  • Among halogens, the correct order of amount of energy released in electron gain (electron gain enthalpy) is :

    A
    `F gt Ci gt Br gt I`
    B
    `F lt CI lt Br lt I`
    C
    `F lt CI gt Br gt I`
    D
    `F lt CI lt Br lt I`

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    Which type of dimension require for position of electron ?

    If 13.6 eV energy is required to ionized the hydrogen atom then , then the energy required to remove an electron from n = 2 is

    The energy of electron in first Bohr.s orbit of Bohr.s is 13.12 xx 10^(5) J mol^(-1) calculate the energy required for transition of electron into second orbit of Bohr.s

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