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  • Give reasons for the following : (a) Transition metals have high enthalpies of atomization. (b) Manganese has lower melting point even though it has a higher number of unpaired electrons for bonding. (c) 

Give reasons for the following :

(a) Transition metals have high enthalpies of atomization.

(b) Manganese has lower melting point even though it has a higher number of unpaired electrons for bonding.

(c) Ce^{4+} is a strong oxidising agent.

 

 

 

 
 
 
 
 

Answers (1)

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(a) It is due to availability of large number of valence electrons and high effective nuclear charge, hence, they form very strong metallic bonds leading to high enthalpies of atomization.

(b) It is due to its complex structure.

(c) It gains one electron to become Ce^{+3}, which is more stable , so it behaves as strong oxidising agent.

 

Posted by

Sumit Saini

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