Oxidation of Carbon Compounds


 
 
Concept Explanation
 

Oxidation of Carbon Compounds

Oxidation:

It is the reaction involving the addition of oxygen or removal of hydrogen. Carbon undergo oxidation by combining with oxygen at higher temperature to form oxides. For eg: carbon monooxide(CO),Carbon dioxide(CO_2) etc. Carbon monoxide is formed by the incomplete combustion of  carbon or carbon containing fuels.

                               C+frac{1}{2}O_2rightarrow CO(g)

Carbon dioxide may be prepared by complete combustion of carbon:

                            C+O_2rightarrow CO_2(g)+ Heat

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Sample Questions
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Question : 1

Which of the following are correct :

(a) Oxidation is the reaction involving the addition of oxygen or removal of hydrogen.

(b) Carbon undergo oxidation by combining with oxygen at higher temperature to form oxides.

Right Option : C
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Question : 2

Assertion : Carbon monoxide is extremely poisonous in nature.

Reason : Carbon monoxide is formed by complete combustion of carbon.

Right Option : C
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Question : 3

Which of the following are correct :

(a) Alcohols can be prepared by heating carbon compounds in presence of oxidising agents like alkalineKMnO_4 (potassium permanganate).

(b) Alcohols can be prepared by heating carbon compounds in presence of oxidising agents like acidified K_2Cr_2O_7 (potassium dichromate).

(c) Substances that are capable of adding oxygen to other substances are called oxidising agents.

Right Option : D
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