Q23 / 170 · Manipal (MET) 2021 · Chemistry

The low density of ice compared to water is due to :

  • Correct answer
    A
    hydrogen bonding interactions
  • B
    dibble-dipole interactions
  • C
    dipole induced dipole interactions
  • D
    induced dipole induced dipole interactions.

Solution

In ice each O-atom is bonded with 4 H -atoms in a tetrahedral fashion. Two bonds are normal covalent bonds, while two are H-bonds (weaker and larger in length) and hence give rise to loose cage structure.

Hence, the correct answer is option: 'A'.

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