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  • The elements of 3d transition series are given as: Sc     Ti     V     Cr    Mn    Fe    Co    Ni    Cu    Zn Answer the follow

The elements of 3d transition series are given as:

Sc     Ti     V     Cr    Mn    Fe    Co    Ni    Cu    Zn

Answer the following:

(i) Write the elements which is not regraded as transition element. Give reason.

(ii) Which is the element has the highest m.p.?

(iii) Write the elements which can show an oxidation state of +1.

(iv) Which element is a strong oxidizing agent +3 oxidation state and why?

 

 

 

 
 
 
 
 

Answers (1)

(i) Zinc (Zn) is not regarded as transition element since it does not contain partially filled d-orbital in either ground state or stable +2 oxidation state.

(ii) Vanadium (V)  ,Atomic number = 23

(iii) Copper (Cu) (Atomic number = 29) can show oxidation state is +1.

(iv) Fe^{3+} is a strong oxidizing agent, as it readily accepts an electron to form Fe^{2+} as it has extra stable half filled configuration (3d^{5}). Therefore Iron is a strong oxidizing agent in +3 oxidation state.

Posted by

Sumit Saini

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