Which of the following reactions is the metal displacement reaction? Choose the right option

2 P b (N O_{3})_{2} \to 2 P b O + 4 N O_{2} + O_{2} ↑

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2 K C l O_{3} Δ - \to 2 K C l + 3 O_{2}

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C r_{2} O_{3} + 2 A l Δ - \to A l_{2} O_{3} + 2 C r

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F e + 2 H C l \to F e C l_{2} + H_{2} ↑

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Solution

The correct option is C $C r_{2} O_{3} + 2 A l Δ - \to A l_{2} O_{3} + 2 C r$

Both reactions (1) and (2) are examples of decomposition reactions.

Reactions (3) and (4), both are examples of displacement reactions, while reaction (3) is an example of metal displacement reaction.

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\begin{matrix} M e t a l & I r o n (I I) s u l p h a t e & C o p p e r (I I) s u l p h a t e & Z i n c s u l p h a t e & S i l v e r n i t r a t e A . & N o r e a c t i o n & D i s p l a c e m e n t B . & D i s p l a c e m e n t & N o r e a c t i o n C . & N o r e a c t i o n & N o r e a c t i o n & N o r e a c t i o n & D i s p l a c e m e n t D . & N o r e a c t i o n & N o r e a c t i o n & N o r e a c t i o n & N o r e a c t i o n \end{matrix}

Which of the following is non-metal displacement reaction ?

Which of the following reaction is an example of a displacement reaction involving non-metals?

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