Question 1

What is true of every nucleophile?

  A  

it attacks a double bond

  B  

it donates a lone pair of electrons

  C  

it is a single atom

  D  

it is negatively charged

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Question 2

Many, but not all, organic reactions need to be heated before a reaction occurs.

Which reaction occurs quickly at room temperature, 20°C?

  A  

C2H4 + Br2 ➔ C2H4Br2

  B  

C2H4 + H2O ➔ CH3CH2OH

  C  

CH3CH2OH ➔ C2H4 + H2O

  D  

CH3CH2OH + HBr ➔ CH3CH2Br + H2O

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Question 3

Which organic reaction is an example of nucleophilic substitution?

  A  

CH3CH2Br + NaOH ➔ CH2CH2 + H2O + NaBr

  B  

CH3CH2Br + NaOH ➔ CH3CH2OH + NaBr

  C  

CH2CH2 + HCl ➔ C2H5Cl

  D  

C2H6 + Cl2 ➔ C2H5Cl + HCl

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Question 4

Ethene is reacted with steam in the presence of concentrated H3PO4. The product of this reaction is added to acidified potassium dichromate(VI) and heated under reflux for one hour. The final organic product is collected and labelled X.

But-2-ene is treated with hot, concentrated, acidified potassium manganate(VII). The final organic product is collected and labelled Y.

Which statement is correct?

  A  

one molecule of X has more carbon atoms than one molecule of Y

  B  

one molecule of Y has more carbon atoms than one molecule of X

  C  

X and Y have different functional groups

  D  

X is the same compound as Y

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Question 5

A sample of the ester CH3CH2CH2CO2CH2CH3 is hydrolysed. The product mixture is then treated with hot, acidified KMnO4.

What are the final carbon-containing products?

  A  

CH3CH2CO2H only

  B  

CH3CO2H + CH3CH2CO2H

  C  

CH3CO2H + CH3CH2CH2CO2H

  D  

CH3CH2OH + CH3CH2CH2CO2H

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Question 6

Which reaction will not give bromoethane as a product?

  A  

ethane with bromine in ultraviolet radiation

  B  

ethene with bromine at room temperature and pressure

  C  

ethene with hydrogen bromide at room temperature and pressure

  D  

ethanol with sodium bromide and concentrated sulfuric acid, heated under reflux

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Question 7

Which reaction will give CH3CH2CH(OH)CH2CH3 as a product?

  A  

reduction of CH3CH2CH2CH2CHO

  B  

treatment of CH2=CHCH2CH2CH3 with conc. sulfuric acid followed by water

  C  

heating CH3CH2CH2CH=CH2 with steam and phosphoric acid under pressure


  D  

treatment of CH3CH=CHCH2CH3 with conc. sulfuric acid followed by water

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Question 8

What are the correct reagents for the conversion below?

CH3CH2CHOHCH3 ➔ CH3CH2CHBrCH3

  A  

Br2 and H2SO4

  B  

Br2 and NaOH

  C  

NaBr and H2SO4

  D  

NaBr and NaOH

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Question 9

Which statement about an electrophile is correct?

  A  

it is an electron pair acceptor

  B  

it is a proton donor

  C  

it is a negative ion

  D  

it is a species with an unpaired electron

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