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Prep ups 3 (haloalkane. alcohol, carbonyl, carboxylic acid)

Total questions: 41

Worksheet time: 21mins

Name
Class
Date
1.

What is the IUPAC name for the following compound?

a)

4-bromo-7-chloro-1-phenylheptane.

b)

1-phenyl-4-bromo-7-chloroheptane

c)

4-bromo-1-chloro-7-phenylheptane.

d)

1-chloro-4-bromo-7-phenylheptane.

2.

What is the IUPAC name for the following compound?

a)

Trifluorobromocarbon

b)

Tribromofluoroethane

c)

1-Bromo-1,2,2,2-tetrafluoroethane

d)

2-Bromo-1,1,1,2-tetrafluoroethane

3.

Choose the CORRECT IUPAC name for the compound.

 

a)

1-fluoropropane

b)

2-fluorobutane

c)

2-fluoro-2-methylpropane

d)

2-fluoro-2-methylbutane

4.

Q is a secondary haloalkane with formula C5H11Br and optically active. Identify Q.

a)

CH3CH2CH2CH2CH2Br

b)

CH3CH(Br)CH2CH2CH3

c)

(CH3)2C(Br)CH2CH3

d)

(CH3)2C(Br)C(CH3)2CH2CH3

5.

Choose the CORRECT structure for 3-chloro-3-methylbut-1-ene.

a)
b)
c)
d)
6.

Classify the following compound.

a)

Methyl haloalkane

b)

Primary haloalkane

c)

Secondary haloalkane

d)

Tertiary haloalkane

7.

Classify the following haloalkane.

CH3(CH2)2CH(Br)CH3

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

8.

The following statements are true about alkyl halides EXCEPT

a)

the C–X bond is polar.

b)

the C–X bond is susceptible to electrophilic attack.

c)

reaction of methyl halides with strong nucleophiles occurs via SN2 mechanism.

d)

tertiary alkyl halides undergo the elimination reaction with alcoholic potassium hydroxide.

9.

CH3Br is a reactive haloalkane due to

a)

the polarisation of Carbon-halogen bond.

b)

carbon as electron rich readily attached by nucleophile.

c)

electrophilic substitution.

d)

all answer are correct

10.

What is the organic product when 2-chlorobutane reacts with aqueous sodium hydroxide?

a)

Butene

b)

Butane

c)

Butan-2-ol

d)

Sodium butanoate

11.

Choose the type of mechanism for the reaction below.

 

CH3CH2Cl  +  KOH  →\rightarrow   CH3CH2OH  +  KCl

a)

Electrophilic addition

b)

Nucleophilic addition

c)

Electrophilic substitution

d)

Nucleophilic substitution

12.

Choose alkyl halide that reacts fastest with alcohol.

a)

Bromomethane

b)

1-Bromobutane

c)

Bromocyclohexane

d)

1-Bromo-1-methylcyclopentane

13.

Which of the following compounds is least easily hydrolysed by aqueous sodium hydroxide?

a)

C6H4Br2

b)

 

C6H5CH2Br

c)

CH3CHClCH2CH2CH3

d)

CH3CH2CH2CH2CH2Cl

14.

Determine the criteria of unimolecular nucleophilic substitution.

a)

The rate of reaction depends on concentration of haloalkane only.

b)

There is only one step mechanism.

c)

The reaction is second order.

d)

Primary haloalkane is more reactive towards SN1 reaction compared to tertiary haloalkane.

15.

Which of the following is the most reactive towards SN1 reaction?

a)

1-bromopropane

b)

2-bromopropane

c)

2-bromo-2-methylpropane

d)

1-bromo-2,2-dimethylpropane

16.

Which of the following compounds favors bimolecular nucleophilic substitution reaction?

a)
b)
c)
d)
17.

Which of the following haloalkanes undergo SN1 mechanism in a hydrolysis reaction?

a)

CH3CH2CH2CH2Br

b)

CH3CH2CH(Br)CH3

c)

CH3C(CH3)(Br)CH3

d)

CH3CH(CH3)CH2CH2Br

18.

The following statements is true about SN1 reaction EXCEPT

a)

rate = k[RX][Nu-].

b)

H2O is a better nucleophile than OH-.

c)

react faster with tertiary alkyl halides.

d)

reaction involve formation of carbocation.

 

19.

The following statements about SN2 reaction are true EXCEPT

 

a)

it involves a two-step mechanism.

b)

the reaction rate is fastest with unhindered alkyl halide.

c)

an inversion of configuration occurs at the stereogenic/chiral centre.

d)

the rate of reaction is influenced by the concentrations of the alkyl halide and nucleophile.

20.

Choose the CORRECT name for the following compound.

a)

3-isopropylpentane-2,3-diol

b)

3-isopropylpentane-3,4-diol

c)

3-ethyl-4-methylpentane-2,3-diol

d)

4-methyl-3-ethylpentane-2,3-diol

21.

Isopropyl alcohol is a common name of an alcohol. Give the IUPAC name for this alcohol.

a)

2-methylethanol

b)

2-propanol

c)

2-methylpropanol

d)

2,2-dimethylpropanol

22.

Give the IUPAC name for the following compounds

a)

3-ethyl-2-propylhexan-4-ol

b)

3-propyl-2-ethylhexan-4- ol

c)

4-ethyl-5-methyloctan-3-ol

d)

5-ethyl-4-methyloctan-3-ol

23.

Which of the following is the correct structure for 2-methyl-3-phenyl-1-propanol?

a)
b)
c)
d)
24.

Choose the structure of 2-nitrocyclohexanol.

a)
b)
c)
d)
25.

Classify the following alcohol.

a)

1°alcohol

b)

2°alcohol

c)

3°alcohol

d)

Methyl alcohol

26.

Which of the following is a secondary alcohol with the molecular formula C4H8O?

a)
b)
c)
d)
27.

Which of the following are NOT secondary alcohols?

a)
b)
c)
d)
28.

Give the IUPAC name for the following compound.

 

a)

2-ethyl-3-hydroxy-1-butanal

b)

3-ethyl-2-hydroxy-4-butanal

c)

2-ethyl-3-hydroxy-3-pentanal

d)

2-ethyl-3-hydroxy-1-pentanal

29.

Choose the CORRECT name for compound given.

a)

4-methyl-3-bromo-2-pentanone

b)

2-methyl-3-bromo-4-pentanone

c)

3-bromo-4-methyl-2-pentanone

d)

3-bromo-2-methyl-4-pentanone

30.

What is the common name for the following compound?

a)

Acetaldehyde

b)

Benzaldehyde

c)

Acetophenone

d)

Benzophenone

31.

Choose the correct structure for diphenylmethanone.

a)
b)
c)
d)
32.

Choose the CORRECT formula for 2,3-dimethylbutanoic acid.

a)

C4H10O2

b)

C6H12O2

c)

C6H12COOH

d)

C5H12 COOH

33.

Gives the IUPAC name for the compound given.

a)

3,4-dimethylpentanoic acid

b)

3,4-dimethylhexanoic acid

c)

2,3-dimethylpentanoic acid

d)

2,3-dimethylhexanoic acid

34.

Which is the CORRECT IUPAC name of the following compound?

a)

2-hydroxybutanoic acid

b)

3-hydroxybutanoic acid

c)

2-hydroxypropanoic acid

d)

1-carboxypropan-2-ol

35.

What is the common name for a carboxylic acid with two carbon atom?

a)

Butyric acid

b)

Propionic acid

c)

Acetic acid

d)

Formic acid

36.

The common name for CH3CH2COOH is

a)

formic acid

b)

acetic acid

c)

propionic acid

d)

butyric acid

37.

Which of the following is the CORRECT common name for pentanoic acid?

a)

Formic acid

b)

Acetic acid

c)

Propionic acid

d)

Valeric acid

38.

Choose the CORRECT structural formula for 2-methyl-3-phenyl-butanoic acid.

a)

b)

c)

d)

39.

Which of the molecule below is 2-ethylpentanoic acid?

 

a)

b)

c)

d)

40.

Which compound has the highest boiling point?

 

a)

Butane

b)

Butanol

c)

Butanal

d)

Butanoic acid

41.

2,4-dinitrophenylhidrazine is used in

a)

Tollen’s test.

b)

Fehling’s test

c)

Brady’s test

d)

Iodoform test

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