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Spot the false statement

Exercise and reference answers

Questions
  1. False statement
    A pi bond overlaps more than a sigma
    Statements
    1. A pi bond overlaps more than a sigma
    2. The octet is a stable arrangement
    3. Only valence electrons form bonds
  2. False statement
    Boron always completes its octet
    Statements
    1. Third period elements may use 3d orbitals
    2. Boron always completes its octet
    3. Some central atoms hold fewer than eight
  3. False statement
    Bond order in hydrogen is two
    Statements
    1. Bond order in nitrogen is three
    2. Bond enthalpy is measured in kJ per mole
    3. Bond order in hydrogen is two
  4. False statement
    Dipole moment ignores the charge separation
    Statements
    1. Dipole moment ignores the charge separation
    2. Resonance covers what one structure cannot
    3. Lattice enthalpy separates an ionic solid
Instructions
Two statements are true and one is false. Tap the false one.

Explanation

_Source: syllabus Chemistry Part I, Unit 4 'Chemical Bonding and Molecular Structure'_
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