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Solution


Q.

Which of the following options are correct for the reaction

2[Au(CN)2]- (aq)+Zn(s)→2Au(s)+[Zn(CN)4]2-(aq)

A. Redox reaction

B. Displacement reaction

C. Decomposition reaction

D. Combination reaction

Choose the correct answer from the options given below:                     [2023]
1 C and D only  
2 A and B only  
3 A and D only  
4 A only  

Ans.

(2)

2[Au+1(CN)2]-(aq)+Zn0(s)⟶2Au0(s)+[Zn+2(CN)4]2- (aq)

Above reaction is a type of Redox reaction as well as Displacement reaction.