MCQChemistry

NCERT · Class 11 · Chemistry · Redox ReactionsWhich of the following is NOT a redox reaction?

Step-by-Step Solution

$NaCl + AgNO_3 \rightarrow AgCl + NaNO_3$ is a double displacement (precipitation) reaction where no element changes its oxidation state.

Detailed Options Breakdown
Option : $Zn + 2HCl \rightarrow ZnCl_2 + H_2$

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Redox Reactions.

Option 1: $NaCl + AgNO_3 \rightarrow AgCl + NaNO_3$ (Correct Answer)

Correct choice. Refer to the step-by-step verified solution guidelines above for details.

Option 2: $2H_2 + O_2 \rightarrow 2H_2O$

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Redox Reactions.

Option 3: $CuO + H_2 \rightarrow Cu + H_2O$

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Redox Reactions.

💡 Study Guide: This question tests core syllabus concepts from Redox Reactions. For formulas, key summaries, and mock exam reference guides, read the full Redox Reactions Revision Notes.
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