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A compound of vanadium pentoxide (V20;) is used as catalyst. 

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A compound of vanadium pentoxide (V20;) is used as catalyst. 

a. What is the oxidation state of vanadium in this compound? 

b. How vanadium ion is represented? 

c. Write the sub-shell electronic configuration of this ion (V – 23)

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1 Answer

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a. +5 

b. V5+

c. 1s2 , 2s2 , 2p6 , 3s2 , 3p6

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