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State whether the following given reactions are correct or not.

i)
Ethanol is burnt in air
ii)
Ethanol is heated with excess sulphuric acid at 443K
ii)
Ethanol is heated with excess sulphuric acid at 443K
iii)
A piece of sodium metal is dropped in ethanol
iii)
A piece of sodium metal is dropped in ethanol

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True

False

answer is A.

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Detailed Solution

The given reactions are true.
Concept: The idea behind this is that because ethanol is a flammable volatile liquid, it burns effectively and fully in the air while producing a blue flame. It creates carbon dioxide gas and water when it burns in the presence of oxygen, or in the presence of air.
Ethanol burns exothermically, which results in the production of heat. The response is expressed as follows:

Ethene is produced when overly concentrated sulfuric acid is heated with ethanol at a high temperature.

A little bit of sodium metal is dropped into ethanol to produce sodium ethoxide, which releases bubbles of hydrogen gas. The reaction can be expressed as:

Hence, the correct answer is option 1.

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