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When copper metal is dipped in a solution of HNO3,

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When copper metal is dipped in a solution of HNO3, It produces copper nitrate and some gaseous molecules, the change in oxidation number of nitrogen is : 

(a) +2 

(b) +1 

(c) +4 

(d) 0

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1 Answer

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Best answer

Correct Option (b) +1 

Explanation :

Chemical reaction occur in above reaction is

Charge in oxidation number = 5 – 4 = 1

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