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Stoichiometry

Identify the ...

Question

Identify the combination reaction from the following equations :

C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O

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P b (N O_{3}) 2 + 2 K I \to P b l_{2} + 2 K N O_{3}

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C a O + H_{2} O \to C a (O H)_{2}

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C u S O_{4} + Z n \to Z n S O_{4} + C u

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Solution

The correct option is A $C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O$
$C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O$

Methane on combustion in the presence of oxygen produces $C O_{2} a n d H_{2} O$ . This is an example of a combination reaction.

So, the correct option is (A)

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Similar questions

C H_{4} + 2 O_{2} \to 2 H_{2} O

P b (N O_{3})_{2} + 2 K I \to P b I_{2} + 2 K N O_{2}

C a O + H_{2} O \to C a (O H)_{2}

(i) C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O

(ii) P b (N O_{3}) 2 + 2 K I \to P b l_{2} + 2 K N O_{3}

(iii) C a O + H_{2} O \to C a (O H)_{2}

(iv) C u S O_{4} + Z n \to Z n S O_{4} + C u

C u S O_{4} + Z n \to C u + Z n S O_{4}

{C r}_{2} O_{7}^{2 -} + 2 ⊖ O H ⟶ 2 C r O_{4}^{2 -} + H_{2} O

Z n + C u S O_{4} ⟶ Z n S O_{4} + C u

2 M n O_{4}^{⊖} + 3 {M n}^{2 +} + 4 ⊖ O H ⟶ 5 M n O_{2} + 2 H_{2} O

2 {C u}^{\oplus} ⟶ C u + {C u}^{2 +}

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