Which of the following is the true structure of H2O2?
Correct answer: B. Option B: Open-book structure
- A. Option A: Linear structure
- B. Option B: Open-book structure
- C. Option C: Planar structure
- D. Option D: Tetrahedral structure
Explanation
The correct structure of H2O2 is an open-book structure. This means that the molecule is not linear or planar, but instead has a dihedral angle between the planes containing the hydrogen atoms and the oxygen atoms. This structure arises due to the repulsion between lone pairs of electrons on the oxygen atoms, which causes the molecule to adopt a non-linear arrangement. The incorrect options suggest linear, planar, or tetrahedral structures, which do not accurately reflect the observed geometry of the molecule.
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The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.
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