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Most Important Selected Qs for JEE AdvancedChemistryChemical Kinetics

Paragraph: The following reaction was studied at 25^ C in benzene solution containing 0.1 M pyridine. (A) CH ₃ OH + ( C ₆ H ₅ )₃ CCl ( C ₆ H ₅ )₃ COCH ₃ + HCl The following sets of data were observed. Question: Rates d [ C ] dt in sets (I), II and III are respectively (in M min ⁻¹ ) Rate constant of the above experiment is (in L ^2 ~m ⁻² ~min ⁻¹ )

Options

  1. AI. 1.30 10⁻⁴ II. 2.6 10⁻⁴ III. 1.02 10⁻³
  2. BI. 0.033 II. 0.0039 III. 0.0077
  3. CI. 0.02 10⁻⁴ II. 0.04 10⁻⁴ III. 0.0077
  4. DNone of these

Correct answer

A. I. 1.30 10⁻⁴ II. 2.6 10⁻⁴ III. 1.02 10⁻³

Step-by-step solution

aligned [ d ( c ) dt ]_ I & = 0.0033 25 =1.32 10⁻⁴ ~m ~min ⁻¹ ( d ( c ) dt )_ II & =2.6 10⁻⁴ ~m ~min ⁻¹ ( d ( c ) dt )_ III & =1.02 10⁻³ ~m ~min ⁻¹ aligned

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