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Conventional Sources of Energy

Combustion of...

Question

Combustion of a fuel produces heat because:

of breaking of bonds of hydrocarbons

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of formation of bonds of byproducts (

C O_{2}, H_{2} O

)

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of formation of bonds of hydrocarbons.

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of nuclear fission in hydrocarbons.

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Solution

The correct option is A of breaking of bonds of hydrocarbons
Energy is released in the form of heat when the fuel is burnt completely. It is a type of chemical reaction where burning(breaking) of hydrocarbons forms products such as carbon dioxide, heat and water.

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Similar questions

Q. A _______ involves both breaking and formation of bonds.

A chemical reaction involves the breaking up of chemical bonds between atoms resulting in the _______ and simultaneously the formation of bonds with the _______ .

Q. In

S_{N} 2

reactions the sequence of bond breaking and bond formation is as follows :

Q. The heat of combustion of acetylene is 312 kcal. If heat of formation of

C O_{2}

and

H_{2} O

are 94.38 and 68.38 kcal respectively,

C \equiv \equiv C

bond energy is

x k c a l

. Given that heat of atomisation of C and H are 150.0 and 51.5 kcal respectively and

C - - H

bond energy is 93.64 kcal. Value of

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Q. The heat of combustion of acetylene is 312 kcal. If heat of formation of

C O_{2}

and

H_{2} O

are 94.38 and 68.38 kcal respectively,

C \equiv \equiv C

bond energy is

x k c a l

. Given that heat of atomisation of C and H are 150.0 and 51.5 kcal respectively and

C - - H

bond energy is 93.64 kcal.

Value of

x

(nearest integer value) is _______.

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Combustion of a fuel produces heat because:

The correct option is A of breaking of bonds of hydrocarbonsEnergy is released in the form of heat when the fuel is burnt completely. It is a type of chemical reaction where burning(breaking) of hydrocarbons forms products such as carbon dioxide, heat and water.

The correct option is A of breaking of bonds of hydrocarbons
Energy is released in the form of heat when the fuel is burnt completely. It is a type of chemical reaction where burning(breaking) of hydrocarbons forms products such as carbon dioxide, heat and water.