The atomic number of vanadium $(V)$, chromium $(Cr)$, manganese $ (Mn)$ and iron $(Fe) $ are respectively $ 23,\, 24, \,25 $ and $ 26 $ which one of these may be expected to have the highest second ionization enthalpy
$V$
$Cr$
$Mn$
$Fe$
Which of the following statements concern with transition metals ?
Which of the following ions is coloured
Which of the following statement(s) is(are) correct with reference to the ferrous and ferric ions
Which is not amphoteric
Which of the following statement is not true