UPSC Combined Geo-Scientist, Mains · 2019 · Mains Paper III

Q4(b). Absorbance and transmittance

Question

For 6.02×10⁻⁵ M bis(1,10-phenanthroline)copper(I) at 435 nm, ε=7×10³ L mol⁻¹ cm⁻¹ and b=1 cm. Find A and T.

A=0.4214; T=0.3790, or 37.90%.

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CoversAbsorbancetransmittanceAbsorption spectroscopy