0 votes
154 views
in Science by (32.5k points)

Explain with reasoning: Cu+ ion is colourless but Cu2+ is coloured.

1 Answer

0 votes
by (261k points)
 
Best answer

Cu+ has completely filled 3d-subshell and so cuprous salts are colourless. But Cu2+ ion has 3d9-electrons, due to this half-filled orbital, it can absorb visible and impart the complementary colour.

Related questions

0 votes
1 answer 131 views
0 votes
1 answer 126 views
0 votes
1 answer 132 views
0 votes
1 answer 137 views
0 votes
1 answer 166 views
...