Which element from the following exhibits a common oxidation state of $+2$ only?

  • A
    $Cu$
  • B
    $Co$
  • C
    $Sc$
  • D
    $Zn$

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Similar Questions

Match 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 $iv$. $Zn$
$v$. $Ni$

Which metal is used to make alloy steel for armour plates,safes and helmets?

Permanent magnets are made from:

Which one of the following does not correctly represent the correct order of the property indicated against it?

Match the following:
List-$I$ (Element)List-$II$ (Block)
$A$. $Cd$$I$. $f$-block
$B$. $Eu$$II$. $s$-block
$C$. $Se$$III$. $d$-block
$D$. $Ba$$IV$. $p$-block

The correct answer is:

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