Which of the following type of reaction is taking place in the chemical equation given
below?
Pb(〖NO〗_3) +2KI→〖PbI〗_2+2〖KNO〗_3

Correct option is C

The correct answer is (c) Double displacement.

In the given chemical equation:
Pb(NO3)2 + 2KI → PbI2 + 2KNO3

The reaction involves the exchange of ions between the two reactants:

• Pb²⁺ from lead nitrate reacts with I⁻ from potassium iodide to form PbI₂ (a precipitate).
• K⁺ from potassium iodide reacts with NO₃⁻ from lead nitrate to form KNO₃.

This type of reaction, where two compounds exchange their ions to form two new compounds, is known as a double displacement reaction. These reactions generally occur in aqueous solutions and often produce a precipitate, gas, or water.

In this reaction, PbI₂ forms as a yellow precipitate, indicating the occurrence of the reaction.

Additional Information:

• Combination Reaction: Two or more reactants combine to form a single product. Example: A + B → AB.
• Decomposition Reaction: A single compound breaks down into two or more simpler substances. Example: AB → A + B.