Read or review the section of your textbook describing types of reactions prior

Question

Read or review the section of your textbook describing types of reactions prior to completing this assignment. Classify each of the following reactions as combination, decomposition, single displacement, double displacement, combustion or redox reactions. In some cases, more than one descriptor may be appropriate. 2 Kl(aq) + Pb(NO_3)_2(aq) rightarrow 2 KNO_3(aq) + PBl_2(s) 2 C_2H_6 + 7 O_2 rightarrow 4 CO_2 + 6 H_2O Zn + CuCl_2 rightarrow ZnSl_2 + Cu S + O_2 rightarrow SO_2 Cl_2 + NiI_2 rightarrow I_2 + NiCl_2 2 H_2O rightarrow 2 H_2 + O_2 CaCO_3 rightarrow CaO + CO_2

Explanation / Answer

Ans -

(1) Pb(NO3)2 + 2KI PbI2 + KNO3

This type of reaction is double displacement reaction.

(2) 2C2H6 + 7O2 4CO2 + 6H2O

This reaction is combustion type reaction

(3) Zn + CuCl2 = Cu + ZnCl2

Thisnreaction is single displacement reaction.

(4) S + O2 = SO2

This reaction is a redox rection.

(5) Cl2 + NiI2 = I2 + NiCl2

This reaction is single displacement type reaction.

(7) CaCO3(s) --------> CaO(s) + CO2 (g)

This type of reaction is a decomposition reaction.

(6) H2O(l) ------------> 2H2(g) + O2 (g)

This type of reaction is a decomposition reaction.

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