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  • On heating blue coloured powder of copper (II) nitrate in a boiling tube, black copper oxide, O2 and a brown gas X is formed. (a) Identify the type of reaction and the gas X. (b) Write balanced chemical equation of t

On heating blue coloured powder of copper (II) nitrate in a boiling tube, black copper oxide, O2 and a brown gas X is formed.

(a) Identify the type of reaction and the gas X.

(b) Write balanced chemical equation of the reaction.

(c) Write the pH range of aqueous solution of the gas X. 

 

 

 

 
 
 
 
 

Answers (1)

(a) Decompositon Reaction, X= NO_{2} (Nitrogen dioxide)

(b) 2Cu (NO_{3})_{2}(s)\overset{heat}{\rightarrow} 2CuO(s)+4NO_{2}(g)+O_{2}(g)

(c) pH range aqueous solution of the gas X= NO_{2} is between 0 to 7 i.e., acidic pH range.

Posted by

Sumit Saini

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