(a) Write one difference between transition elements and p-block elements with reference to variability of oxidation states.

(b) Why do transition metals exhibit higher enthalpies of atomization?

(c) Name an element of lanthanoid series which is well known to shown +4      oxidation state. Is it a strong oxidising agent or reducing agent ?

(d) What is lanthanoid contraction? Write its one consequence.

(e) Write the ionic equation showing the oxidation of Fe(III) salt by acidified dichromate solution.

 

 

 

 
 
 
 
 

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