Which of the following options are correct for the reaction?

A. Redox reaction
B. Displacement reaction
C. Decomposition reaction
D. Combination reaction

Choose the correct answer from the optio

Question

Which of the following options are correct for the reaction?

A. Redox reaction 
B. Displacement reaction 
C. Decomposition reaction 
D. Combination reaction

Choose the correct answer from the options given below:

Canvas Classes · Accepted Answer

Step 1 — Identify oxidation state changes:

-  in : Let 
-  in product:  → Reduced (gain of electrons)
-  in reactant: 
-  in :  → Oxidised

Since oxidation states change → A. Redox reaction ✓

Step 2 — Displacement reaction:
Zn (more active metal) displaces Au from its complex salt → B. Displacement reaction ✓

Step 3 — Decomposition / Combination:
No single compound breaks down (not decomposition ✗). No single product formed from multiple reactants (not combination ✗).

Answer: Option (3) — A

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