Examples of double-replacement reaction

Answer 1

Na2SO4 + CaCl2 ----> NaCl + CaSO4

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

NaOH + CuSO4 ----> Na2SO4 + Cu(OH)2

K2CO3 + FeSO4 ----> K2SO4 + FeCO3

CH3COONa + CuCl2 ----> (CH3COO)2Cu + NaCl

HNO3 (aq) + KOH (aq) ----> H2O (I) + KNO3 (aq)

Ba(OH)2(aq) + 2HCIO4(aq) ----> Ba(CIO4)2(aq) + 2H2O(I)

Answer 2

An example of a double-replacement reaction is the reaction between silver nitrate (AgNO3) and sodium chloride (NaCl) to form silver chloride (AgCl) and sodium nitrate (NaNO3). Another example is the reaction between barium chloride (BaCl2) and sodium sulfate (Na2SO4) to form barium sulfate (BaSO4) and sodium chloride (NaCl).

Answer 3

In double displacement reactions, ions appear to move between compounds, resulting in a solid that settles out of solution, a gas that bubbles out of solution and/or a molecular substance.

Answer 4

The preparation of hydrogen peroxide is a double displacement reaction. ----
Ab+c->ac+b

Answer 5

Single displacement reactions include any metal with an acid. This is because the metal replaces the gas in the acid and the gas is released as a product.

Answer 6

HCl(aq) + NaOH(aq) --> NaCl(aq) + HOH(l)

This is actually a neutralization reaction, where a salt (NaCl) and water (HOH or H2O) is formed.

Answer 7

Pb(NO3)2(aq) + 2KCl (aq) ----------> PbCl2(s) + 2KNO3(s)

Answer 8

BaCl2(Aq) + Na2SO4(Aq) --> BaSO4(s) + 2NaCl(Aq)

Answer 9

Zn (s) + 2HCI (aq)---> H2(g) +ZnCI2 (s)

Answer 10

NaOH+Hcl--->Nacl+H2O