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MODEL PAPER 1 — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryMODEL PAPER 11 Mark
MCQ
The ionic reactions are generally very fast because
  • ✓
    It does not involve bond breaking
  • B
    The number of collisions between ions are very large
  • C
    Reactions are highly exothermic
  • D
    The energy of interaction between charged ion is greater than between neutral molecules
✓

Answer

Correct option: A.
It does not involve bond breaking
(a) It does not involve bond breaking
Explanation: Ionic reactions do not involve bond breaking, energy is directly used in completing the reaction, therefore they are fast.

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