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  • Identify A to E and also explain the reactions involved.

Identify A to E and also explain the reactions involved.

Answers (1)

 

A is 3Cu

B is Cu(NO3)2

C is [Cu(NH3)4] (NO3)2

D is CuO2

E is CaCO3

 

 

 

CuCO_{3}\overset{Heat}{\rightarrow}CuO+CuO_{2} (D)

Ca(OH)_{2}+CO_{2}\rightarrow CaCO_{3}(E)(Milky)+H_{2} O

CaCO_{3}+CO_{2}+H_{2}O\rightarrow Ca(HCO_{3})_{2} (Clear\; solution)

2CuO+CuS \overset{Heat}{\rightarrow} 3Cu (A)+SO_{2}

Cu+4HNO_{3} (Conc.)\overset{Heat}{\rightarrow} Cu(NO_{3})_{2} (B)+2NO_{2}+2H_{2}O

Cu(NO_{3})_{2}+4NH_{3}\rightarrow \left [ Cu(NH_{3})_{4} \right ]\left ( NO_{3} \right )_{2}(C) (Blue \; Solution)

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