Question

explain the combustion & substitution reans
of carbon compounds by taking methane as
an example.
Write the chemical ean for the above reans,
can methane be subjected to addition rean?
have reason​

Answer 1

Explanation:

Carbon is a fascinating element. It is known to form almost ten million different compounds most of which are chemical compounds that are organic in nature. Let us learn a bit about the chemical properties of carbon compounds.

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Versatile Nature of Carbon

Properties of Carbon H

Organic Compounds

All carbon compounds show some common characteristic properties. Let us see the chemical properties of carbon compounds. Four important chemical reactions are discussed below:

Combustion Reactions:

When Carbon and its compounds burn in the presence of Oxygen (or air), they give CO2, heat and light.The process of burning carbon and its compounds in excess of oxygen for the release of heat and light (energy) is known as combustion.

Following are some of the examples of the combustion reaction of organic compounds:

C + O2 ⇨ CO2 + Heat + Light

C3H8 + 5O2 = 3CO2 + 4H2O.+ Heat + Light

(C3H8 is the molecular formula for Propane, a common gas present in LPG which we burn for cooking in our kitchens).

In General, saturated hydrocarbons burn with a clear blue flame, whereas unsaturated hydrocarbons burn with a yellow flame producing soot (carbon).

Combustion of hydrocarbons may be of two types: Complete combustion and incomplete combustion.

Complete combustion of hydrocarbons occurs in excess of oxygen(air), producing CO2 and H2O as the only final chemical products.Heat and light (clear blue flame) as a form of energy is generated.

Incomplete combustion occurs when there is insufficient Oxygen(air) and the hydrocarbon is in excess.This reaction burns with a sooty or smokey flame and produces products which are CO(g) and/or C(s) and H2O.

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Answer 2

Answer:

Combustion Reaction: Carbon,in all its allotropic forms,burns in Oxygen to give Co2 along with release of heat and light on burning.

Eg: CH4 + O2 gives CO2+ H2O + heat&light...

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Substitution Reaction: Saturated hydrocarbons are fairly unreactive and are inert in the presence of most reagents. In the presence of sunlight, chlorine is added to hydrocarbons in a very fast Reaction. Chlorine can replace the hydrogen atoms one by one. It is called Subscription Reaction.

Eg: CH4 + CL2 gives CH3CL + HCL( in the presence of sunlight)

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