Which one of the following does not correctly represent the correct order of the property indicated against it?
$Ti < V < Cr < Mn\,;$ increasing number of oxidation states
$Ti^{3+} < V^{3+} < Cr^{3+} < Mn^{3+}\,\,:$ increasing magnetic moment
$Ti < V < Cr < Mn\,\,:$ increasing melting points
$Ti < V < Mn < Cr \,\,:$ increasing $2^{nd}$ ionization enthalpy
Which of the following elements is alloyed with copper to form brass
Transition element makes complex compound due to
An ion of definite magnetic moment (spin only) is
Technetium, the element below manganese in the Periodic Table, would be expected to have high values for its
$(I)$ melting point $(II)$ boiling point $(III)$ density
Explain why $Cu ^{+}$ ion is not stable in aqueous solutions?