1.

Match the complex ions given in Column I with the colours given the Column II and assign the correct code : {:(,"Column I (Complex ion)",,"Column II (Colour)"),("A".,[Co(NH_(3))_(6)]^(3+),1.,"Violet"),("B".,[Ti(H_(2)O)_(6)]^(3+),2.,"Green"),("C".,[Ni(H_(2)O)_(6)]^(2+),3.,"Pale blue"),("D".,[Ni(H_(2)O)_(4)(en)]^(2+)(aq),4.,"Yellowish organge"),(,,5.,"Blue"):}

Answer»

`{:("A (1)","B (2)","C (4)","D (5)"):}`
`{:("A (4)","B (3)","C (2)","D (1)"):}`
`{:("A (3)","B (2)","C (4)","D (1)"):}`
`{:("A (4)","B (1)","C (2)","D (3)"):}`

ANSWER :b


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