Graphite on heating with oxygen produces _______.

Carbon dioxide

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Hydrogen peroxide

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Carbon monoxide

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Nitrogen dioxide

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Solution

The correct option is A Carbon dioxide
Graphite is one of the crystalline allotropes of carbon. On heating graphite with oxygen at $700^{\circ} C$ , carbon dioxide gas is obtained. The reaction involved is given below:

$C (s) + O_{2} (g) \to {CO}_{2} (g)$

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Similar questions

Name:

(a) A carbonate which does not decompose on heating.

(b) A nitrate which produces oxygen as the only gas.

(d) A nitrate which produces brown gas on heating.

[i . e ., C_{g r a p h i t e} + H_{2} O (g) ⟶ C O (g) + H_{2} (g)]

O_{2} (g)

[C_{g r a p h i t e} + O_{2} (g) ⟶ C O_{2} (g); Δ H = - 393.7 k J m o l^{- 1} a t 500 K]

H_{2}

H_{2} O

(a) What are the two properties of carbon which lead to the huge number of carbon compounds we see around us ?

(b) How does carbon reacts with oxygen?

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