MCQ
Which of the following compounds is colourless
- A$C{u_2}{(C{H_3}COO)_4}.2{H_2}O$
- ✓$C{u_2}C{l_2}$
- C$CuS{O_4}.5{H_2}O$
- D$[Cu{(N{H_3})_4}]S{O_4}.4{H_2}O$
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The value of $x$ is