Q47 / 164 · NTA Abhyas (NEET) 2020 · Botany · Transport in Plants

The cohesive force of water is due to

  • A
    S-bonds
  • B
    O-bonds
  • Correct answer
    C
    H-bonds
  • D
    OH-bonds

Solution

Cohesion refers to attraction between molecules of same kind. Cohesive force is found in water molecule due to ability of hydrogen bonding. It is a special type of dipole-dipole interaction between molecules. In water hydrogen bond is a dynamic attraction between neighboring water molecules which involves one hydrogen atom located between the two oxygen atoms.

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

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