Free Radical Substitution Reaction

1. Which of the following is an essential condition for the free radical substitution reaction?

Iron catalyst

Nickel catalyst

UV light

Heating

UV light is an essential condition for the free radical substitution reaction because it provides the energy required to break the bond between the reactant molecules and create highly reactive free radicals. These free radicals then go on to react with other molecules, resulting in the substitution reaction. Without UV light, the reaction would not proceed as the necessary activation energy would not be met. The iron and nickel catalysts, as well as heating, are not necessary for this specific type of reaction.

Explanation

UV light is an essential condition for the free radical substitution reaction because it provides the energy required to break the bond between the reactant molecules and create highly reactive free radicals. These free radicals then go on to react with other molecules, resulting in the substitution reaction. Without UV light, the reaction would not proceed as the necessary activation energy would not be met. The iron and nickel catalysts, as well as heating, are not necessary for this specific type of reaction.

2. The following molecule is a product of the reaction.

True

False

The molecule mentioned in the question is a product of the reaction.

Explanation

The molecule mentioned in the question is a product of the reaction.

3. The following molecule is a product of the reaction.

True

False

The given statement is true. It implies that the molecule mentioned is indeed a product of the reaction.

Explanation

The given statement is true. It implies that the molecule mentioned is indeed a product of the reaction.

4. The following molecule is a product of the reaction.

True

False

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Explanation

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5.

The following molecule is a product of the reaction.

True

False

The given answer is true because the statement mentions that the molecule is a product of the reaction. Since the molecule is mentioned specifically as a product, it implies that it is indeed a result of the reaction.

Explanation

The given answer is true because the statement mentions that the molecule is a product of the reaction. Since the molecule is mentioned specifically as a product, it implies that it is indeed a result of the reaction.

6. The following molecule is a produce of the reaction.

True

False

The given molecule is indeed a product of the reaction.

Explanation

The given molecule is indeed a product of the reaction.

7. What is the identity of the white fumes observed in the video?

Ammonia gas (NH3)

Ammonium chloride (NH4Cl)

Hydrochloric acid (HCl)

Hydrogen bromide (HBr)

The white fumes observed in the video are identified as hydrogen bromide (HBr).

Explanation

The white fumes observed in the video are identified as hydrogen bromide (HBr).

8. Which of the following best represents the chemical specie responsible for the initiation reaction?

(a)

(b)

(c)

(d)

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Explanation

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9. The following molecule is a product of the reaction.

True

False

FRS does not shorten the length of the original alkane.

Explanation

FRS does not shorten the length of the original alkane.

10. The following molecule is a product of the reaction.

True

False

FRS does not arbitrarily lengthen the carbon chain of the original hydrocarbon (ie. hexane). It may lengthen in multiples of the number of carbons in the hydrocarbon.

Explanation

FRS does not arbitrarily lengthen the carbon chain of the original hydrocarbon (ie. hexane). It may lengthen in multiples of the number of carbons in the hydrocarbon.