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Question
Give a reason for the following:
Fluorine gives only one oxide but chlorine gives a series of oxides.
Solution
Fluorine does not have d orbital. Chlorine has vacant 3d orbital. Electrons jump from 3s and 3p orbitals to 3d orbitals.
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RELATED QUESTIONS
Give reasons for the following : Oxygen has less electron gain enthalpy with negative sign than sulphur.
Justify the placement of O, S, Se, Te and Po in the same group of the periodic table in terms of electronic configuration, oxidation state and hydride formation.
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| Column I | Column II |
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(i) \[\ce{CaF2 + H2SO4 -> CaSO4 + 2HF}\]
(ii) \[\ce{2HI + H2SO4 -> I2 + SO2 + 2H2O}\]
(iii) \[\ce{Cu + 2H2SO4 -> CuSO4 + SO2 + 2H2O}\]
(iv) \[\ce{Nacl + H2SO4 -> NaHSO4 + HCl}\]
The correct order of ΔiHs among the following elements is
