Q62 · CSIR-NET Chemistry, June 2014

Paper: CSIR-NET June 2014 · Subject: Physical Chemistry · Chapter: Chemical Kinetics · Topic: Rate Laws Order · Marks: 2 · Difficulty: Medium

Examine the following first order consecutive reactions. The rate constant (in $\mathrm{s}^{-1}$ units) for each step is given above the arrow mark

(A) $\mathrm{P} \xrightarrow{10^{5}} \mathrm{Q} \xrightarrow{10^{3}} \mathrm{R}$	(B) $\mathrm{P} \xrightarrow{10^{5}} \mathrm{Q} \xrightarrow{10^{3}} \mathrm{R}$
(C) $\mathrm{P} \xrightarrow{10^{7}} \mathrm{Q} \xrightarrow{10^{7}} \mathrm{R}$	(D) $\mathrm{P} \xrightarrow{10^{2}} \mathrm{Q} \xrightarrow{10^{5}} \mathrm{R}$

Steady-state approximation can be applied to

(a)A only

(b)C only

(c)B and C only

(d)A and D only

Answer

SELF-PRACTICE — the source book printed no answer.

Nothing is invented here, so this question has no answer on record.

Explanation

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Study loop for Chemical Kinetics