The metal$(s)$ which does/do not form amalgam is/are
- A$Fe$
- B$Pt$
- C$Zn$
- DBoth $(a)$ and $(b)$
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The correct order of ionic radii of $Y^{3+}$,$La^{3+}$,$Eu^{3+}$ and $Lu^{3+}$ is
(Atomic No. $Y = 39$,$La = 57$,$Eu = 63$,$Lu = 71$)
(Atomic No. $Y = 39$,$La = 57$,$Eu = 63$,$Lu = 71$)
MediumAIPMT 2003
View SolutionThe statement that is $INCORRECT$ about the interstitial compounds is
Which of the following metals exhibits more than one oxidation state?
Easy
View SolutionMatch the following:
List-$I$ (Transition metal,$M$) List-$II$ ($E_{M^{2+}/ M}^{\ominus}$ in $V$) $A$. $Ni$ $I$. $-1.18$ $B$. $Mn$ $II$. $-0.91$ $C$. $Fe$ $III$. $-0.25$ $D$. $Cr$ $IV$. $-0.44$
The correct answer is
| List-$I$ (Transition metal,$M$) | List-$II$ ($E_{M^{2+}/ M}^{\ominus}$ in $V$) |
| $A$. $Ni$ | $I$. $-1.18$ |
| $B$. $Mn$ | $II$. $-0.91$ |
| $C$. $Fe$ | $III$. $-0.25$ |
| $D$. $Cr$ | $IV$. $-0.44$ |
The correct answer is
For the four consecutive transition elements $Cr, Mn, Fe,$ and $Co$,the correct order of stability of their $+2$ oxidation state is:
Easy
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