The aqueous solution of the following salts will be coloured in the case of :

Question

The aqueous solution of the following salts will be coloured in the case of :

The aqueous solution of the following salts will be coloured in the case of :
A. `Zn(NO_(3))_(2)`
B. `Li NO_(3)`
C. `Co(NO_(3))_(2)`
D. `Mg(NO_(3))_(2)`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
The aqueous solution of `Co(NO_(3))_(3)` will be pink coloured. The colour is due to the presence of unpaired `d-`electrons which absorb light from the visible part and thus move to high energy levels.

4 views Answered 2023-02-05 15:29