Question

Give two examples of each of the following types of double diplacement reaction in which
a. A yellow PPt is formed.
b.A black ppt is formed.
c. A white ppt is formed.
d. A gas is liberated.
e. Two other solutions r formed.

Answer 1

A)Pb(NO3)2+KI - PbI2+KNO3

(yellow)

C) Na2SO4+BaCl2 -BaSO4+NaCl

(White)

D)H2SO4+Zn-ZnSO4+H2

Answer 2

A double displacement reaction, also known as a double replacement reaction or metathesis, is a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products.