Advertisements
Advertisements
प्रश्न
Name a member of the lanthanoid series that is well-known to exhibit +2 oxidation state.
Advertisements
उत्तर
Europium (Eu) is well-known to exhibit +2 oxidation state due to its half filled f orbital in +2 oxidation state.
APPEARS IN
संबंधित प्रश्न
Complete the following equations : 2 Na2CrO4 + 2 H + →
Name the oxometal anions of the first series of the transition metals in which the metal exhibits the oxidation state equal to its group number.
Give an example and suggest a reason for the following feature of the transition metal chemistry:
The highest oxidation state is exhibited in oxoanions of a metal.
Write the formula of an oxo-anion of Manganese (Mn) in which it shows the oxidation state equal to its group number.
Account for the following :
Manganese shows maximum number of oxidation states in 3d series.
Write the chemical equation for the preparation of 4 KMnO from 2. MnO Why does purple colour of acidified permanganate solution decolourise when it oxidises Fe2- to Fe3+ ?
Write the ionic equation showing the oxidation of Fe(II) salt by acidified dichromate solutions.
Using IUPAC norms, write the formula of potassium trioxalatochromate(III).
Zinc carbonate is precipitated from zinc sulphate solution by the addition of ___________.
Indicate the steps in the preparation of K2Cr2O7 from chromite ore.
