Advertisements
Advertisements
Question
Give reasons for the following:
E⁰ value for (Mn3+|Mn2+) is highly positive than that for (Cr3+|Cr2+) couple.
Advertisements
Solution
Much larger third ionisation energy of Mn (where the required change is d5 to d4) is mainly responsible for high E⁰ value for (Mn3+|Mn2+) couple than that for (Cr3+|Cr2+) couple.
APPEARS IN
RELATED QUESTIONS
Write four points of differences between properties of nitrogen and other elements of group 15.
Give reasons for the following : (CH3)3 P = O exists but (CH3)3 N = O does not.
Give reasons H3PO3 undergoes disproportionation reaction but H3PO4 does not.
Account for the following
The enthalpy of atomisation is lowest for Zn in 3d series of the transition elements.
Account for the following :
Sulphur in vapour form exhibits paramagnetic behaviour.
Explain the geometry of [Cu(NH3)4]2+ on the basis of hybridisation [ At. No. Cu = 29 ].
Which of the following group 15 elements forms metallic bonds in an elemental state?
Which of the following species has the highest dipole moment?
In which of the following compounds the metal is in lowest oxidation state?
The decreasing order of the boiling points of the following hydrides is ______.
