Haloalkanes and haloarenes

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Haloalkanes and haloarenes - 04

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Q1. A Grignard reagent may be made by reacting magnesium with *

1 point

Ethyl iodide

Diethyl ether

Ethyl alcohol

Methyl amine

Q2. Which one of the following halogen compounds is difficult to be hydrolysed by SN1 mechanism? *

1 point

Isopropyl chloride

Tertiary butyl chloride

Benzyl chloride

Chlorobenzene

Q3 - Which of the following is an example of SN2 reaction? *

1 point

Q4. Which of the following is the correct order of decreasing SN2 reactivity? *

1 point

R2CHX > R3CX > RCH2X

R3CX > R2CHX > RCH2X

RCH2X > R2CHX > R3CX

RCHX > R3CX > R2CHX

Q5. The reaction is described as *

1 point

SN1

SN2

Q6. Which of the following is an optically active compound ? *

1 point

1-Butanol

2-Chlorobutane

4-Hydroxyheptane

1-Propanol

Q7. The process of separation of a racemic modification into d and l -enantiomers is called *

1 point

Resolution

Dehydration

Revolution

Halogenation

Q8. Which of the following pairs of compounds are enantiomers? *

1 point

Q9. Which of the following will have a mesoisomer also? *

1 point

2, 3-Dichlorobutane

2-Hydroxypropanoic acid

2-Chlorobutane

2, 3- Dichloropentane

Q10. Which of the following compounds is optically active ? *

1 point

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