1.

An ion M^(2+), forms the complexes [M(H_(2)O)_(6)]^(2+),[M(en)_(3)]^(2+) and [MBr_(6)]^(4-), match the complex with the appropriate colour:

Answer»

GREEN, BLUE and RED
Blue, and greenn
Green, red and blue
Red, blue and green

Answer :D


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