At PH=10, the metal dye complex has the colour ________(a) Wine red(b) Blue(c) Green(d) PinkThe question was posed to me in a national level competition.I need to ask this question from Estimation of Hardness topic in division Water of Applied Chemistry

At PH=10, the metal dye complex has the colour ________(a) Wine red(b)

1.	At PH=10, the metal dye complex has the colour ________(a) Wine red(b) Blue(c) Green(d) PinkThe question was posed to me in a national level competition.I need to ask this question from Estimation of Hardness topic in division Water of Applied Chemistry
Answer» Right answer is (a) Wine RED Easiest EXPLANATION: At the PH=10, the METAL DYE complex ion has the colour is wine red but the dye itself has the BLUE colour at the PH of 10.

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