Following are the transition metal ions of 3d series: Ti4+,V2+, Mn3

1.	Following are the transition metal ions of 3d series: Ti4+,V2+, Mn3+, Cr3+(Atomic number :Ti = 22,V= 23, Mn = 25, Cr = 24)Answer the following : (a) Which ion is most stable in an aqueous solution and why? (b) Which ion is a strong oxidizing agent and why? (c) Which ion is colourless and why?
Answer» (a) Cr³⁺, half filled t³_2g (b) Mn³⁺, due to stable d⁵ configuration in Mn²⁺ (c) Ti⁴⁺, No unpaired electrons

Following are the transition metal ions of 3d series: Ti4+,V2+, Mn3+, Cr3+(Atomic number :Ti = 22,V= 23, Mn = 25, Cr = 24)Answer the following : (a) Which ion is most stable in an aqueous solution and why? (b) Which ion is a strong oxidizing agent and why? (c) Which ion is colourless and why?

Answer»

(a) Cr³⁺, half filled t³_2g

(b) Mn³⁺, due to stable d⁵ configuration in Mn²⁺