The colour of light absorbed by an aqueous solution of CuSO 4 is
(A) orange- red
(B) blue-green
(C) yellow
(D) violet
Jayant Kumar
12 Years agoGrade 11
2 Answers
Saurabh Koranglekar
6 Years ago
Dear student
The answer is option a
Regards
Vikas TU
6 Years ago
Cu2+ is blue in aqueous solution. CuSO4 has a λmax of about 635 nm (red). It reflects the color blue, so it absorbs mostly red light, the complementary color.
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