The ability to form complex compounds by the transitional metal ion is due to
The ability to form complex compounds by the transitional metal ion is due to
- A
Small size
- B
Vacant $'d'$ orbitals
- C
High nuclear charge
- D
All of these
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$Zn$ and $Cd$ metals do not show variable valency because
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Properties common to the elements manganese, iron, cobalt, nickel and copper include the ready formation by them all of
$(I)$ coloured ions in aqueous solution
$(II)$ oxides of nitrogen are formed on reaction with concentrated $HNO_3$
$(III)$ chlorides of formula $MCl_2$ and $MCl_3$
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$(II)$ oxides of nitrogen are formed on reaction with concentrated $HNO_3$
$(III)$ chlorides of formula $MCl_2$ and $MCl_3$
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- [IIT 1998]