Organic Chemistry Questions and Answers – Transesterification | Organic Chemistry Multiple Choice Questions and Answers

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Questions
1 Which of the following is true about transesterification?
A exchanging the organic alkyl group of an ester with the organic group alkyl of an alcohol
B exchanging the organic alkyl group of an alcohol with the organic group alkyl of an ester
C exchanging the organic alkyl group of an ester with the organic group alkyl of an alkane
D exchanging the organic alkyl group of an ester with the organic group alkyl of an ether

Answer:exchanging the organic alkyl group of an ester with the organic group alkyl of an alcohol
2 What is the geometry of the intermediate formed in the mechanism of transesterification?
A Octahedral
B Square planner
C Tetrahedral
D Square bipyramidal

Answer: Tetrahedral
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3 What chemical reaction makes biodiesel?
A Transesterification
B Sublimation
C Polymerization
D Fermentation

Answer: Transesterification
4 Polyethylene terephthalate is prepared by a transesterification reaction.
A True
B False

Answer: True
5 What type of solution is used in transesterification for the determination of fatty acid compositions?
A Methanol in NaOH
B Methanol in NaCl
C Methanol in KOH
D Methanol in H2O

Answer: Methanol in NaOH
6 Transesterification reaction is an irreversible reaction.
A True
B False

Answer:False
7 Which of the following is the product formed when methyl ethanoate and ethanol in presence of hydrochloric acid?
A Ethyl ethanoate
B Methyl ethanoate
C Ethyl propanoate
D Propyl ethanoate

Answer:Ethyl ethanoate
8 Which of the following is the product formed when alkylene carbonate and alcohol in presence of hydrochloric acid?
A Dialkyl carbonate
B Methyl ethanoate
C Alkyl carbonate
D Propyl ethanoate

Answer: Dialkyl carbonate
9 Which of the following is the product formed when methyl propanoate and ethanol in presence of hydrochloric acid?
A Ethyl ethanoate
B Methyl ethanoate
C Ethyl propanoate
D Propyl ethanoate

Answer: Ethyl propanoate
10 Which of the following is the product formed when butyl acetate and ethanol in presence of hydrochloric acid?
A Ethyl ethanoate
B Methyl acetate
C Ethyl acetate
D Propyl ethanoate

Answer: Ethyl acetate

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