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Decomposition Reaction

The formation...

Question

The formation of copper oxide from copper in the presence of oxygen is an ____________ reaction.

$2 C u + O_{2} \to 2 C u O$

Reduction

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Decompositon

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Oxidation

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Displacement

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Solution

The correct option is C
Oxidation

The formation of copper oxide from copper in the presence of oxygen is an oxidation reaction.

The oxidation reaction involves addition of oxygen to the substance or removal of hydrogen from the substance.

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Similar questions

The formation of copper oxide from copper in the presence of oxygen is an ____________ reaction.

$2 C u + O_{2} \to 2 C u O$

1.288 g

1.03 g

0.258 g

N_{2}

N_{2}

2 C u (s) + H_{2} O (g) \to C u_{2} O (s) + H_{2} (g)

P_{H_{2}}

H_{2}

l n (P_{H_{2}})

= 8 J K^{- 1} m o l^{- 1}

C u_{2} O (s)

1250 K : 2 C u (s) + \frac{1}{2} O_{2} (g) \to C u_{2} O (s); Δ G^{\circ} = - 78, 000 J m o l^{- 1}

H_{2} (g) + \frac{1}{2} O_{2} (g) \to H_{2} O (g); Δ G^{\circ} = - 1, 78, 000 J m o l^{- 1}; G

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