Question

1. what kind of reaction is represented by the equation?

(2\text{ki} + \text{pb}(\text{no}_3)_2
ightarrow 2\text{kno}_3 + \text{pbi}_2)

a) synthesis

b) double replacement

c) single replacement

d) combustion

Explanation:

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<reasoning>

Analyze the chemical equation

\[
2\text{KI} + \text{Pb(NO}_3)_2
ightarrow 2\text{KNO}_3 + \text{PbI}_2
\]

Identify the reaction pattern

\[
\text{AB} + \text{CD}
ightarrow \text{AD} + \text{CB}
\]

Classify the reaction type

\[
\text{Double replacement}
\]
</reasoning>

<answer>
<mcq-option>(A) synthesis</mcq-option>
<mcq-correct>(B) double replacement</mcq-correct>
<mcq-option>(C) single replacement</mcq-option>
<mcq-option>(D) combustion</mcq-option>
</answer>

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Answer:

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<reasoning>

Analyze the chemical equation

\[
2\text{KI} + \text{Pb(NO}_3)_2
ightarrow 2\text{KNO}_3 + \text{PbI}_2
\]

Identify the reaction pattern

\[
\text{AB} + \text{CD}
ightarrow \text{AD} + \text{CB}
\]

Classify the reaction type

\[
\text{Double replacement}
\]
</reasoning>

<answer>
<mcq-option>(A) synthesis</mcq-option>
<mcq-correct>(B) double replacement</mcq-correct>
<mcq-option>(C) single replacement</mcq-option>
<mcq-option>(D) combustion</mcq-option>
</answer>

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