The aqueous solutions of the following salts will be coloured in the case of:
- A$Zn(NO_3)_2$
- B$LiNO_3$
- C$CrCl_3$
- DPotash alum
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Coinage metals show the properties of
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View SolutionMatch the properties given in List-$I$ with the metals given in List-$II$:
List-$I$ (Property) List-$II$ (Metal) $A$. Element with maximum second ionization enthalpy $i$. $Co$ $B$. Element with maximum third ionization enthalpy $ii$. $Cr$ $C$. $M$ in $M(CO)_6$ $iii$. $Cu$ $D$. Element with maximum enthalpy of atomization $iv$. $Zn$ $v$. $Ni$
| List-$I$ (Property) | List-$II$ (Metal) |
| $A$. Element with maximum second ionization enthalpy | $i$. $Co$ |
| $B$. Element with maximum third ionization enthalpy | $ii$. $Cr$ |
| $C$. $M$ in $M(CO)_6$ | $iii$. $Cu$ |
| $D$. Element with maximum enthalpy of atomization | $iv$. $Zn$ |
| $v$. $Ni$ |
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View SolutionWhich ion has the highest ionisation enthalpy?
If the colours of salts of transition elements are due to the presence of unpaired electrons in the transition metal ions,which of the following ions will be colourless in aqueous solution? (The atomic numbers of $Ti$ and $Fe$ are $22$ and $26$ respectively.)
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