1.

Which of the following colour is imparted by alizarin dye in the presence of Cr^(3+) ion?

Answer»


Solution :ALIZARIN gives brown red with `CR^(3+)` rose red with `AL^(3+)`, BLUE with `Ba^(2+)`, violet with `Mg^(2+)` and red with `Sr&(2+)` ions.


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