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Chemistry · 2024 · 2 marks
CBSE 2024 · Region 4 · Set 3 · Q17
Define the following terms: (a) Half life period ( t_1 / 2) (b) Effective collisions
Define the following terms :
(a)
Half life period $\displaystyle \left(\mathrm{t}_{1 / 2}\right)$
(b)
Effective collisions
Marking-scheme solution
(a)
The time in which the concentration of a reactant is reduced to one half of its initialconcentration.
(b) The collisions which result in the formation of products.
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CBSE Class 12 Chemistry past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.