Which one of the following does not correctly represent the order of the property indicated against it ?
$Ti < V < Cr < Mn -$ increasing melting point
$Ti < V < Mn < Cr -$ Increasing $2^{nd}$ ionisation enthalpy
$Ti < V < Cr < Mn -$ Increasing number of oxidation states
$Ti^{+3} < V^{+3} < Cr^{+3} < Mn^{+3}$ increasing magnetic moment
All the following statements about the transitional elements are true except that
Why is the ${E^\Theta }$ value for the $Mn ^{3+} / Mn ^{2+}$ couple much more positive than that for $Cr ^{3+} / Cr ^{2+}$ or $Fe ^{3+} / Fe ^{2+} ?$ Explain.
Which of the following statement is not true
German silver is an alloy of $Cu$ with
Electrons in a paramagnetic compound are