Question

Identify A to E and also explain the reactions involved.

Answer 1

A = $$\mathrm{Cu}$$

B = $$\mathrm{Cu}(\mathrm{NO}{\phantom{A}}_3){\phantom{A}}_2$$

C = $$[\mathrm{Cu}(\mathrm{NH}{\phantom{A}}_3){\phantom{A}}_4]$$

D = $$\mathrm{CO}{\phantom{A}}_2$$

E = $$\mathrm{CaCO}{\phantom{A}}_3$$

F = $$\mathrm{Cu}{\phantom{A}}_2[\mathrm{Fe}(\mathrm{CN}){\phantom{A}}_6]$$

G = $$\mathrm{Ca}(\mathrm{HCO}{\phantom{A}}_3){\phantom{A}}_2$$

$$\mathrm{CuCO}{\phantom{A}}_3⟶\mathrm{CuO}+\mathrm{CO}{\phantom{A}}_2$$

$$\mathrm{CuO}+\mathrm{CuS}⟶\underset{(\mathrm{A})}{\mathrm{Cu}}+\mathrm{SO}{\phantom{A}}_2$$

$$\mathrm{Cu}+4\mathrm{HNO}{\phantom{A}}_3(\mathrm{Conc})⟶\mathrm{Cu}\underset{(\mathrm{B})}{(\mathrm{NO}{\phantom{A}}_3){\phantom{A}}_2}+2\mathrm{NO}+2\mathrm{H}{\phantom{A}}_2\mathrm{O}$$

$$\underset{(\mathrm{B})}{\mathrm{Cu}{\phantom{A}}^{2+}}+\mathrm{NH}{\phantom{A}}_3⟶\underset{(\mathrm{C})}{[\mathrm{Cu}(\mathrm{NH}{\phantom{A}}_3){\phantom{A}}_4]}$$

$$\mathrm{Ca}(\mathrm{OH}){\phantom{A}}_2+\underset{(\mathrm{D})}{\mathrm{CO}{\phantom{A}}_2}⟶\underset{(\mathrm{E})}{\mathrm{CaCO}{\phantom{A}}_3}+\mathrm{H}{\phantom{A}}_2\mathrm{O}$$

$$\mathrm{CaCO}{\phantom{A}}_3+\mathrm{CO}{\phantom{A}}_2+\mathrm{H}{\phantom{A}}_2\mathrm{O}⟶\mathrm{Ca}(\mathrm{HCO}{\phantom{A}}_3){\phantom{A}}_2$$