Which of the following pair will have effective magnetic moment equal
$C{r^{ + 3}}$ and $M{n^{ + 2}}$
$C{r^{ + 2}}$ and $F{e^{ + 2}}$
${V^{ + 2}}$ and $S{c^{ + 3}}$
$T{i^{ + 2}}$ and ${V^{ + 2}}$
The trivalent ion having largest size in following is
Which of the following magnetic moment values will corresponds to highest ionization energy for $Mn$
Metre scales are made-up of alloy
When $Cu^{2+}$ ion is treated with $KI$, a white precipitate is formed. Explain the reaction with the help of chemical equation.
Gun metal is an alloy of