${V_2}{O_5}$ is useful as catalyst in
Manufacture of ${H_2}S{O_4}$
Manufacture of $HN{O_3}$
Manufacture of $N{a_2}C{O_3}$
It is not a catalyst
Comment on the statement that elements of the first transition series possess many properties different from those of heavier transition elements.
Calculate the 'spin only' magnetic moment of $M ^{2+}(\operatorname{aq})$ ion $(Z=27)$
The transition metal ions responsible for colour in ruby and emerald are, respectively
Chloride of which of the following element is coloured
Which of the following is not a transition metal?