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CHM1313/ Quiz1

Name:__________________________________________________________Class:___________ Date:__________________________

1. Which of the following is not a piece of evidence for delocalisation of electrons in benzene?

Abenzene is more volatile than cyclohexeneB all the CC bond strengths are the sameC all the bond lengths are identicalD benzene is energetically more stable than expected

2. The use of benzene is banned in UK schools because it is

A volatile and flammableB acidic and corrosiveC toxic and carcinogenicD reactive and unstable

3. When benzene reacts with concentrated sulphuric acid, benzene sulphonic acid,

C6H5OSO2H, is produced. This reaction is an example of

A electrophilic substitutionB electrophilic additionC nucleophilic substitutionD nucleophilic addition

4. Benzene reacts with chlorine to give a substance with the formula C6H6Cl6. This reaction

is brought about by

A an acid catalystBultraviolet radiationC aluminium oxideD iron filings

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5. Benzene reacts with bromine in the presence of a catalyst to give bromobenzene, C6H5Br.

Which of the following is the catalyst ?

Aaluminium oxideB platinum

C iron(III) bromideD nickel

6. Benzene reacts with a mixture of concentrated nitric and sulphuric acids to give

nitrobenzene, C6H5NO2. The electrophile in the mechanism of this reaction is

A NO2B NO2CNO2+D NO2

7. Phenol, C6H5OH, does not react with

A sodiumB sodium carbonateC sodium hydroxideD potassium hydroxide

8. To make nitrophenol, C6H4(OH)(NO2) from phenol, C6H5OH, which of the following

reagents is required?

A concentrated nitric acidB sodium nitrate and concentrated nitric acidC concentrated nitric and sulphuric acidsD warm dilute nitric acid

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9. Phenol, C6H5OH, reacts with ethanoic anhydride to give a compound with the formula

C6H5OCOCH3. This compound is an ester called

A methyl phenateB ethyl propanoateC propyl ethanoateDphenyl ethanoate

10. In a molecule of ethanamide, CH3CONH2 , which of the following types of bond are

present?

A single bonds onlyB single and double bonds onlyC single, double and dative bondsD single, double and triple bonds

11. Which of the following pairs of compounds, when mixed at room temperature, would react

to give methyl propanoate, C2H5CO2CH3 ?

A C2H5CO2H and CH3NH2B CH3Cl and C2H5CO2HCC2H5COCl and CH3OHD CH3COCl and C2H5OH

12. The formula for the amino acid serine is NH2CH(CH2OH)CO2H. One mole of serine

would be expected to react with:

A one mole of sodiumB two moles of sodiumC three moles of sodiumD four moles of sodium

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Name:______________________________________________Class:_________Date:_____________________________________

13. The formula for the amino acid serine is NH2CH(CH2OH)CO2H. When serine is acidified

with hydrochloric acid the organic ion formed has the formula:

A+

NH3CH(CH2OH)CO2-

B+NH3CH(CH2OH)CO2HC NH2CH(CH2OH)CO2-D NH2CH(CH2OH)CO2H2+

14. The structural formula for the amino acid alanine is NH2CH(CH3)CO2H. Which of the

following organic ions results when sodium hydroxide is added to alanine?

A+NH3CH(CH3)CO2HBNH2CH(CH3)CO2-C-NHCH(CH3)CO2HD NH2CH(CH3)CO2H2+

15. Which of the following is a contributory reason for carbonyl compounds being less reactive

towards addition reactions than alkenes?

A The carbonyl bond C to O is single, whereas the alkene bond C to C is double.B The pi bond in the carbonyl group is stronger than the one in an alkene.C Alkenes have polar molecules whereas those of carbonyl compounds are non-polar.D There is hydrogen bonding between molecules in carbonyl compounds but not in alkenes.

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