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The colour of dye metal complex and dye are ___________

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in Applied Chemistry by (101k points)
The colour of dye metal complex and dye are ___________

(a) Same

(b) Different

(c) Same in only some cases

(d) Cannot be known

I had been asked this question during an internship interview.

Enquiry is from Estimation of Hardness in section Water of Applied Chemistry

1 Answer

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Best answer
Right option is (b) Different

The best explanation: The colour of dye metal complex and dye are different. EDTA extracts the metal ions from the metal ion dye to form stable complex.

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