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Chemistry
Cuprous compounds such as CuCl, CuCN and CuSCN are the only salts stable in H2O due to
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Q. Cuprous compounds such as $CuCl, CuCN$ and $CuSCN$ are the only salts stable in $H_2O $ due to
AIPMT
AIPMT 1996
The d-and f-Block Elements
A
high hydration energy of $Cu^+ $ ions
51%
B
their inherent tendency not to disproportionate
22%
C
diamagnetic nature
17%
D
insolubility in water
10%
Solution:
Cuprous compound contains $Cu^{+ }$ ion which has small size, so the hydration is maximum and hence, the system has lower energy.