Organic chemistry quiz (unit 4)

1

In the formation of nitrobenzene from benzene, what is the role of the nitronium ion?

1

Which of the following will produce effervescence when added to sodium hydrogencarbonate?

1

What catalyst is used in Friedel-Crafts acylation reactions?

1

Which TWO types of reaction are involved in the formation of lactic acid from ethanal?

1

Which of the following is not a use of esters?

1

Kekulé suggested that benzene had the structure cyclohexa-1,3,5-triene.
The enthalpy of hydrogenation of cyclohexene is -120kJ/mol, and that of benzene is -208kJ/mol.
This shows that

1

Racemic mixtures are optically inactive.

1

What is the reducing agent used to reduce aldehydes and ketones to alcohols?

1

Which of the following are products of a Friedel-Crafts acylation reaction?

1

A chiral compound is one which exhibits geometric isomerism.

1

Which of the following is NOT a reason why ethanoic anhydride is preferred over ethanoyl chloride in the industrial synthesis of aspirin?

1

What is the reduction product of the reaction of an aldehyde with Tollens' reagent?

1

Benzene will undergo which of the following reactions?

1

What mechanism is involved in the reduction of ketones to secondary alcohols?

1

Ethanoic anhydride is more reactive than ethanoyl chloride.

1

When synthesising drugs, manufacturers often find that they make a racemate due to the chirality of the drug. The enantiomers can be hard to separate. For what TWO reasons is this a problem?

A-Level Chemistry (Organic chemistry) Quiz am Organic chemistry quiz (unit 4), erstellt von Stephen Cole am 11/08/2014.

Organic chemistry quiz (unit 4)

In the formation of nitrobenzene from benzene, what is the role of the nitronium ion?

Which of the following will produce effervescence when added to sodium hydrogencarbonate?

What catalyst is used in Friedel-Crafts acylation reactions?

Which TWO types of reaction are involved in the formation of lactic acid from ethanal?

Which of the following is not a use of esters?

Kekulé suggested that benzene had the structure cyclohexa-1,3,5-triene. The enthalpy of hydrogenation of cyclohexene is -120kJ/mol, and that of benzene is -208kJ/mol. This shows that

Racemic mixtures are optically inactive.

What is the reducing agent used to reduce aldehydes and ketones to alcohols?

Which of the following are products of a Friedel-Crafts acylation reaction?

A chiral compound is one which exhibits geometric isomerism.

Which of the following is NOT a reason why ethanoic anhydride is preferred over ethanoyl chloride in the industrial synthesis of aspirin?

What is the reduction product of the reaction of an aldehyde with Tollens' reagent?

Benzene will undergo which of the following reactions?

What mechanism is involved in the reduction of ketones to secondary alcohols?

Ethanoic anhydride is more reactive than ethanoyl chloride.

When synthesising drugs, manufacturers often find that they make a racemate due to the chirality of the drug. The enantiomers can be hard to separate. For what TWO reasons is this a problem?

Positive enantiomers reflect a plane of polarised light anticlockwise.

What are the products of the reaction of 1-ethylpropylbenzoate with water?

Kekulé suggested that benzene had the structure cyclohexa-1,3,5-triene.
The enthalpy of hydrogenation of cyclohexene is -120kJ/mol, and that of benzene is -208kJ/mol.
This shows that