Halogenalkanes

Halogenalkanes

12th Grade

15 Qs

quiz-placeholder

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Halogenalkanes

Halogenalkanes

Assessment

Quiz

Chemistry

12th Grade

Hard

Created by

Fazila Zaid Saleh

Used 4+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nucleophiles are

electron pair donors that attack regions of high electron density.

electron pair donors that attack regions of low electron density.

electron pair acceptors that attack regions of high electron density.

electron pair acceptors that attack regions of low electron density.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is essential if a species is to act as a nucleophile?

A lone pair of electrons.

A negative charge.

An unpaired electron.

A strongly polar bond.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these compounds is a secondary halogenoalkane?

CH3CH(OH)CH3

CH3CCl(CH )CH3

CH3CHClCH3

CH3CH2 CH2 Cl

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following will undergo nucleophilic substitution with sodium hydroxide (aq)?

ethene

ethane

bromoethane

cyclopentane

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what is the mechanism of the reaction when sodium hydroxide in ethanolic condition reacts with cloroethane under reflux?

nucleophilic substitution

electrophilic addition

free radical substitution

elimination

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

which of the following is not the condition for the reaction between ammonia and chloromethane for nucleophilic substitution?

aqueous ammonia

ethanolic ammonia

excess ammonia

heated under reflux

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what is the mechanism for the reaction between chloromethane and sodium hydroxide solution heated under reflux?

free radical substitution

electrophilic addition

nucleophilic addition

nucleophilic substitution

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