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In which of the following paris both the...

In which of the following paris both the ions are coloured in aqueous solution? (Atomic number, `Sc - 21, Ti = 22, Ni = 28, Cu = 29, Co = 27)`
(a)`Ni^(2+), Ti^(3+)`
(b)`Sc^(3+),Ti^(3+)`
(c)`Sc^(3+),Co^(2+)`
(d)`Ni^(2+),Cu^(+)`

A

` Ni^(2+), Ti^(3+) `

B

`Sc^(3+),Ti^(3+)`

C

`Sc^(3+), Co^(2+)`

D

`Ni^(2+), Cu^(+)`

Text Solution

Verified by Experts

The correct Answer is:
A
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