Question # 1

When CO2 is made to react with ethyl magnesium iodide, followed by acid hydrolysis, the product formed is.

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Propane

Propanoic acid

Propanal

Propanol

Which one of the following products will be formed in Wurtz reaction when sodium metal reacts with ethyl chloride in anhydrous ether.

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Methane

Ethane

Propane

Butane

For ----------------- Mechanism, the first step involved is the same

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E1 and E2

E2 and S_N2

S_N1 and S_N2

E1 and S_N1

SN2 reactions can be best carried out with

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Primary alkyl halides

Secondary alkyl halides

Tertiary alkyl halides

All the three

Which alkyl halide does not form Grignard's reagent.

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CH3-Br

CH3-Cl

CH3- F

CH3-I

SN₂reactions can be best carried out with

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primary alkyl halides

secondary alkyl halides

tertiary alkyl halides

All the three

Cyanogen chloride reacts with ethyl magnesium bromide to give

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CH₃CH₂Cl

CH₃CH₂Br

C₄H₁₀⁺

CH₃CH₂CN

In primary alkyl halides, the halogen atom is attached to a carbon which is further attached to how many carbon atoms.

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One

Two

Three

Four

Which one of the following reactants will be required to form ethyl alcohol form ethyl bromide.

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Alcoholic KOH

Aqueous KOH

Alkaline KMnO4

Sodium metal in ether

The reactivity order of alkyl halides for a particular alkyl group is

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Fluoride > Chloride > Bromide > iodide

Chloride > Bromide > Fluoride > iodide

Bromide > iodide > chloride > Fluoride

Iodide > Bromide > Chloride > Fluoride

Secondary alkyl halides are those in which halogen atom is attached with a carbon atom which is further attached to.

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One beta carbon

Two beta carbon

Three beta carbon

Four beta carbon

Grignard reagent is reactive due to

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The presence of halogen atom

The presence of Mg atom

The polarity of C -Mg bond

None of the above

Which one of the following will be required to form ethene from ethyl chloride.

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Alcoholic KOH

Aqueous KOH

Alkaline KMnO4

Bromine

The reactivity order of alkyl halides for a particular alkyl group is.

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Fluoride > Chloride > Bromide > Iodide

Chloride > Bromide >Chloride > Fluoride

Iodide > Bromide > Chloride > Fluoride

Bromide > Iodide > Chloride > Fluoride

Which one of the following alcohols will be formed when ethyl magnesium bromide reacts with acetone.

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Primary alcohol

Secondary alcohol

Tertiary alcohol

Dehydrin alcohol

The reacts with halogen acids to form alkyl halide the process is known as.

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Halogenation

Hydrohalogenation

Hydrogenation

Dehydrohalogenation

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Chemistry Fsc Part 2 Chapter 10 Online Test MCQs With Answers

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