Paper: CSIR-NET June 2012 · Subject: Physical Chemistry · Chapter: Chemical Kinetics · Topic: Chemical Kinetics – General · Marks: 2 · Difficulty: Medium
Using cuvettes of 0.5 cm path length, a $10^{-4} \mathrm{M}$ solution of a chromophore shows $50 \%$ transmittance at certain wave length. The molar extinction coefficient of the chromophore at this wave length is $(\log 2=0.301)$
(a)$1500 \mathrm{M}^{-1} \mathrm{cm}^{-1}$
(b)$3010 \mathrm{M}^{-1} \mathrm{cm}^{-1}$
(c)$5000 \mathrm{M}^{-1} \mathrm{cm}^{-1}$
(d)$6020 \mathrm{M}^{-1} \mathrm{cm}^{-1}$
Answer
Answer: D ✓ checked by 4AB · confidence high
The source book printed no answer; this one was worked out and checked — see the explanation.