Question

what is double displacement reaction explain with examples
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Answer 1

A double displacement reaction is a type of reaction where two reactants exchange ions to form two new compounds. Double displacement reactions typically result in the formation of a product that is a precipitate.

A double displacement reaction is a type of reaction where two reactants exchange ions to form two new compounds. Double displacement reactions typically result in the formation of a product that is a precipitate.Double displacement reactions take the form:

A double displacement reaction is a type of reaction where two reactants exchange ions to form two new compounds. Double displacement reactions typically result in the formation of a product that is a precipitate.Double displacement reactions take the form:AB + CD → AD + CB

Double Displacement Reaction Examples

The reaction between silver nitrate and sodium chloride is a double displacement reaction. The silver trades its nitrite ion for the sodium's chloride ion, causing the sodium to pick up the nitrate anion.

The reaction between silver nitrate and sodium chloride is a double displacement reaction. The silver trades its nitrite ion for the sodium's chloride ion, causing the sodium to pick up the nitrate anion.AgNO3 + NaCl → AgCl + NaNO3

The reaction between silver nitrate and sodium chloride is a double displacement reaction. The silver trades its nitrite ion for the sodium's chloride ion, causing the sodium to pick up the nitrate anion.AgNO3 + NaCl → AgCl + NaNO3Here's another example:

The reaction between silver nitrate and sodium chloride is a double displacement reaction. The silver trades its nitrite ion for the sodium's chloride ion, causing the sodium to pick up the nitrate anion.AgNO3 + NaCl → AgCl + NaNO3Here's another example:BaCl2(aq) + Na2SO4(aq) → BaSO4(s) + 2 NaCl(aq)

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Answer 2

Answer:

Double decomposition reactions

This is a type of chemical change in which two components in a solution react to form two new compounds by mutal exchange of radicals. Double decomposition reactions is also called double displacement reactions.

These are of two types

• Precipitation reactions
• Neutralization reactions...

Examples

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

Precipitation is the formation of a soild.

Neutralization is a soluble base reacts with an acid or an insoluble base reacts with an acid.

Double decomposition reactions example

Take a solution of silver nitrate in a test tube and add dilute hydrochloricacid or a solution of sodium chloride. A white , curdy precipitated is formed.

AgNO3 + HCl --->AgCl + HNO3 or

AgNO3 +NaCl ----> AgCl + NaNO3...