Among the first transition series (3d series) only copper has positive `E^(Theta)M^(2+)//M` value. Why?

Among 3d transition series the IE

Among 3d transition series the IE

Among the first transition series (3d series) zinc has lowest enthalpy of atomization. Why?

Among the first transition series (3d series) Chromium has highest melting point. Why?

In the first transition series, the highest b.p. and m.p. is of

Which transition metal of 3d series has positive E^@ (M^(2+)//M) value and why ?

(i) Name the element of 3d transition series which shows maximum number of oxidation states. Why does it show so ? (ii)Which transition metal of 3d series ha positive E^(@)(M^(2+)//M) value and why ? (iii) Out of Cr^(3+) and Mn^(3+) , which is a stronger oxidizing agent and why ? (iv) Name a member of the lanthanoid series which is well known to exhibit + 2 oxidation state. (v) Complete the following equation : MnO_(4)^(-) + 8H^(+) + 5e^(-) to .