Metal used for making joints in jewellery is
$Zn$
$Cu$
$Ag$
$Cd$
Which of the following is the weakest reducing agent
Vanadium $(III) $ oxide is a strong
Why transition elements form a coloured compounds?
The ability to form complex compounds by the transitional metal ion is due to
Number of unpaired electrons in $M{n^{2 + }}$ is