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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$(A)$ The $M ^{3+} / M ^{2+}$ reduction potential for iron is greater than manganese
$(B)$ The higher oxidation states of first row $d$ block elements get stabilized by oxide ion.
$(C)$ Aqueous solution of $Cr ^{2+}$ can liberate hydrogen from dilute acid.
$(D)$ Magnetic moment of $V ^{2+}$ is observed between $4.4-5.2\,BM$
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