Identify the type of reaction in the following examples-i Na 2 SO 4 aq - BaCl 2 aq - BaSO 4 s -2 NaCl aq ii Fe s - CuSO 4 aq - F eSO 4 aq - Cu s iii 2 H 2 g - O 2 g - 2 H 2 O l

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Standard X

Chemistry

Combination Reaction

Identify the ...

Question

Identify the type of reaction in the following examples :
(i) $N a_{2} S O_{4} (a q) + B a C l_{2} (a q) \to B a S O_{4} (s) + 2 N a C l (a q)$
(ii) $F e (s) + C u S O_{4} (a q) \to F e S O_{4} (a q) + C u (s)$
(iii) $2 H_{2} (g) + O_{2} (g) \to 2 H_{2} O (l)$

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Solution

(i) It is an example of double displacement reaction.

(ii) It is an example of displacement reaction.

iii) It is an example of combination reaction.

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Similar questions

Reactants	Products	Type of chemical reaction
BaCl₂(aq) + ZnSO₄(aq)	H₂CO₃(aq)	Displacement
2AgCl(s)	FeSO₄(aq) + Cu(s)	Combination
CuSO₄(aq) + Fe(s)	BaSO₄↓ + ZnCl₂(aq)	Decomposition
H₂O(l) + CO₂(g)	2Ag(s) + Cl₂(g)	Double displacement

B a C l_{2} (a q) + N a_{2} S O_{4} (a q) \to B a S O_{4} (s) + 2 N a C l (a q)

Above reaction involves which type of reaction :

(a) Displacement
(b) Precipitation
(c) Combination
(d) Double displacement

Which of the following reactions will not occur ? Why not?
(a) $M g S O_{4} (a q) + C u (s) ⟶ C u S O_{4} (a q) + M g (s)$
(b) $C u S O_{4} (a q) + F e (s) ⟶ F e S O_{4} (a q) + C u (s)$
(c) $M g S O_{4} (a q) + F e (s) ⟶ F e S O_{4} (a q) + M g (s)$

Q. State which of the following chemical reactions will take place or not, giving suitable reason for each:

(a) Z n_{(s)} + C u S o_{4 (a q)} \to Z n S O_{4 (a q)} + C u_{(s)}

(b) F e_{(s)} + Z n S O_{4 (a q)} \to F e S O_{4 (a q)} + Z n_{(s)}

(c) Z n_{(s)} + F e S O_{4 (a q)} \to Z n S O_{4 (a q)} + F e_{(s)}

Q. State, giving reasons, which of the following reactions will occur and which will not:
(a) MgSO₄ (aq) + Cu(s) → CuSO₄ (aq) + Mg(s)
(b) CuSO₄ (aq) + Fe (s) → FeSO₄(aq) + Cu(s)
(c) MgSO₄ (aq) + Fe (s) → FeSO₄ (aq) + Mg(s)

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Identify the type of reaction in the following examples : (i) Na2SO4(aq)+BaCl2(aq)→BaSO4(s)+2NaCl(aq) (ii) Fe(s)+CuSO4(aq)→FeSO4(aq)+Cu(s) (iii) 2H2(g)+O2(g)→2H2O(l)

(i) It is an example of double displacement reaction. (ii) It is an example of displacement reaction. iii) It is an example of combination reaction.

Identify the type of reaction in the following examples :
(i) $N a_{2} S O_{4} (a q) + B a C l_{2} (a q) \to B a S O_{4} (s) + 2 N a C l (a q)$
(ii) $F e (s) + C u S O_{4} (a q) \to F e S O_{4} (a q) + C u (s)$
(iii) $2 H_{2} (g) + O_{2} (g) \to 2 H_{2} O (l)$

(i) It is an example of double displacement reaction.

(ii) It is an example of displacement reaction.

iii) It is an example of combination reaction.