MCQ
Effective collisions are those in which molecules must:
- AHave energy equal to or greater than the threshold energy
- BHave proper orientation
- CAcquire the energy of activation
- ✓All of the above
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$Pt(s)|\mathop {{H_2}(g)}\limits_{1\ atm} |HA\,\,\,\,\,\mathop {1\,M}\limits_{({K_a} = {{10}^{ - 7}})} \,\,||\,HB\,\,\,\,\,\mathop {1\,M}\limits_{({K_1} = {{10}^{ - 5}})}$
$\,|\mathop{{H_2}(g)}\limits_{1\ atm} |Pi(s)$
Given : $AB$ is $100\%$ ionised at boiling point of the solution, ($K_b / K_f $) water $= 0.3$

