Which forms coloured salts
Which forms coloured salts
- A
Metals
- B
Non-metals
- C
$p -$ block elements
- D
Transitional elements
Similar Questions
The number of unpaired electrons in $M{n^{ + 3}}$ is
The number of unpaired electrons in $M{n^{ + 3}}$ is
$MnO _4^{-}$oxidises $(i)$ oxalate ion in acidic medium at $333\, K$ and $(ii)$ $HCl$. For balanced chemical equations, the ratios $\left[ MnO _4^{-}: C _2 O _4^{2-}\right]$ in $(i)$ and $\left[ MnO _4^{-}: HCl \right]$ in $(ii)$ respectively are
- [KVPY 2011]
Cuprous ion is colourless while cupric ion is coloured because
Cuprous ion is colourless while cupric ion is coloured because
The catalytic activity of the transition metal and their compound is due to their
The catalytic activity of the transition metal and their compound is due to their
Although $Zr$ belongs to $4d$ and $Hf$ belongs to $5d$ transition series but it is quite difficult to separate them. Why ?
Although $Zr$ belongs to $4d$ and $Hf$ belongs to $5d$ transition series but it is quite difficult to separate them. Why ?