Question # 1

Which alkyl halide does not form Grignard's reagent.

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CH3-Br

CH3-Cl

CH3- F

CH3-I

Grignard's 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

For which mechanisms, the first step involved is the same.

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E2 and E2

E2 and SN2

SN1 and E2

E1 and SN1

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

Nucleophilic substitution reactions, which are completed in two steps are called as.

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SN1

SN2

E1

E2

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

Elimination biomolecular reactions involve.

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First order kinetics

Second order kinetics

third order kinetics

Zero order kinetics

The most reactive Alkyl halide is

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Alkyl Iodide

Alkyl Bromide

Alkyl fluoride

Alkyl Chloride

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

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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Two

Three

One

Four

Which compound is formed, when CH₃OH reach with CH₃- Mg -Br

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Ethane

Methane

Ethanol

Acetone

Which products is not formed when ethyl alcohol reacts with SOCl2 in the presence of pyridine.

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Ethyl chloride

Hydrogen chloride

Sulphur di oxide

Sulphur tri oxide

SN2 reactions can be best carried out with

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Primary alkyl halides

Secondary alkyl halides

Tertiary alkyl halides

All the three

------------------- is not a nucleophile

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H₂O

NO₃

BF₃

NH₃

In which process, alkyl halide is not produced.

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Reaction of alcohol with halogen acid

Reaction of Grignard reagent with water

Reaction of alcohol with phosphorous pentachloride

Action of alkene on halogen acid

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

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Chemistry Fsc Part 2 Chapter 10 Online Test MCQs With Answers

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