Question:

A monochromatic radiation is incident on a solution of 0.05 molar concentration of an absorbing substance. The intensity of the radiation is reduced to one fourth of the initial value after passing through 10 cm length of the solution. Calculate the molar extinction. coefficient of the substance.

Updated On: Mar 13, 2025
  • 12.04 dm3 mol-1 cm-1
  • 1.204 dm3 mol-1 cm-1
  • 120.4 dm3 mol-1 cm-1
  • 120.4 cm-2 mol-1
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The Correct Option is B

Solution and Explanation

The correct answer is (B) :1.204 dm3 mol-1 cm-1
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