AP EAMCET · Chemistry · Chemical Kinetics
Which of the following is correct with respect to the graph given?
\(\begin{aligned} & {[R]=\text { Concentration at time ' } t \text { ' }} \\ & {[R]_0=\text { Initial concentration }}\end{aligned}\)
- A I, III represent first order and II represents zero order reaction
- B I, II represent zero order and III represents first order reaction
- C I, II, III all represent zero order reactions
- D I, II, III all represent first order reaction
Answer & Solution
Correct Answer
(B) I, II represent zero order and III represents first order reaction
Step-by-step Solution
Detailed explanation
For a zero order reaction :- Rate \(=\mathrm{K}[\mathrm{A}]^0=\mathrm{K}\) Thus, the rate does not change with concentration. Therefore, I is of zero order reaction. For the integrated rate law of zero order :- \(\mathrm{C}=-\mathrm{kt}+\mathrm{C}_0\) Thus, the graph II is for a…
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