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Chemistry
Identify incorrect statement:
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Q. Identify incorrect statement:
JEE Main
JEE Main 2013
The d-and f-Block Elements
A
$Cu_2O$ is colourless
29%
B
Copper (I) compounds are colourless except when colour results from charge transfer
0%
C
Copper (I) compounds are diamagnetic
14%
D
$Cu_2S$ is black
57%
Solution:
$Cu_2O$ is red in colour.