Identify the type of reaction when ethanol is burnt in air to form carbon dioxide, water and releases heat:

Redox reaction

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Combustion reaction

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Esterificaton reaction

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Synthesis reaction

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Solution

The correct options are
A Redox reaction
B Combustion reaction
Ethanol( $C_{2} H_{5} O H$ ) burns in the presence of oxygen( $O_{2}$ ) to form carbon dioxide( $C O_{2}$ ) and water( $H_{2} O$ ) along with the evolution of heat.This is a combustion reaction and the equation can be written as:
$C_{2} H_{5} O H (l) + 3 O_{2} (g) \to 2 C O_{2} (g) + 3 H_{2} O (l) + h e a t$

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Identify the type of reaction when ethanol is burnt in air to form carbon dioxide, water and releases heat:

The correct options are A Redox reaction B Combustion reactionEthanol(C2H5OH) burns in the presence of oxygen(O2) to form carbon dioxide(CO2) and water(H2O) along with the evolution of heat.This is a combustion reaction and the equation can be written as:C2H5OH(l)+3O2(g)→2CO2(g)+3H2O(l)+heat