Most stable cation in aqueous medium is
$Cr^{2+}$
$V^{3+}$
$Cr^{3+}$
$Mn^{2+}$
Which of the following has '$6$' unpaired $f-$electrons ?
Which of the following compounds is not coloured ?
The correct statement in respect of $d-$ block elements
The second and third rows of transition elements resemble each other much more than they resemble the first row. Explain why ?
Which alloy contains $Cu, Sn$ and $Zn$