Which of the following compound expected to be colourless
$ScO$
${V_2}{O_3}$
$CuCN$
$C{r_2}{(S{O_4})_3}$
Choose an Incorrect match of colour of compounds
Which alloy contains $Cu, Sn$ and $Zn$
Ammonia is a Lewis base. It forms complexes with cations. Which one of the following cations does not form complex with ammonia
The number of unpaired electrons in $Z{n^{2 + }}$ is
Chloro compound of vanadium has only spin magnetic moment of $1.73\, BM$. This vanadium chloride has the formula: