Explore topic-wise MCQs in Organic Chemistry.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following mechanism shows the correct curve arrow of the reaction of the enolate ion from ethyl acetate with ethyl acetate in the Claisen condensation?

A. <img alt="Mechanism shows curve arrow of reaction of enolate ion from ethyl acetate - option a" class="alignnone size-full wp-image-281987" height="84" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q10a.png" width="189"/>
B. <img alt="Mechanism shows curve arrow of reaction of enolate ion from ethyl acetate - option b" class="alignnone size-full wp-image-281986" height="94" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q10b.png" width="231"/>
C. <img alt="Mechanism shows curve arrow of reaction of enolate ion from ethyl acetate - option c" class="alignnone size-full wp-image-281985" height="82" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q10c.png" width="197"/>
D. <img alt="Mechanism shows curve arrow of reaction of enolate ion from ethyl acetate - option d" class="alignnone size-full wp-image-281984" height="92" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q10d.png" width="218"/>
Answer» D. <img alt="Mechanism shows curve arrow of reaction of enolate ion from ethyl acetate - option d" class="alignnone size-full wp-image-281984" height="92" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q10d.png" width="218"/>
Discussion
2.

Which ester will not give a good yield of the Claisen condensation product with NaOEt in EtOH?

A. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q2a.png"><img alt="Ester will not give yield of Claisen condensation product with NaOEt in EtOH - option a" class="alignnone size-full wp-image-224811" height="64" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q2a.png" width="106"/></a>
B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q2b.png"><img alt="Ester will not give yield of Claisen condensation product with NaOEt in EtOH - option b" class="alignnone size-full wp-image-224812" height="63" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q2b.png" width="121"/></a>
C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q2c.png"><img alt="Ester will not give yield of Claisen condensation product with NaOEt in EtOH - option c" class="alignnone size-full wp-image-224813" height="61" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q2c.png" width="135"/></a>
D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q2d.png"><img alt="Ester will not give yield of Claisen condensation product with NaOEt in EtOH - option d" class="alignnone size-full wp-image-224814" height="64" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q2d.png" width="113"/></a>
Answer» D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q2d.png"><img alt="Ester will not give yield of Claisen condensation product with NaOEt in EtOH - option d" class="alignnone size-full wp-image-224814" height="64" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q2d.png" width="113"/></a>
Discussion
3.

Which of the following reaction shows Claisen condensation?

A. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1a.png"><img alt="The following reaction shows Claisen condensation - option a" class="alignnone size-full wp-image-224807" height="83" sizes="(max-width: 310px) 100vw, 310px" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1a.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1a.png 310w, https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1a-300x80.png 300w" width="310"/></a>
B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1b.png"><img alt="The following reaction shows Claisen condensation - option b" class="alignnone size-full wp-image-224808" height="102" sizes="(max-width: 448px) 100vw, 448px" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1b.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1b.png 448w, https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1b-300x68.png 300w" width="448"/></a>
C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1c.png"><img alt="The following reaction shows Claisen condensation - option c" class="alignnone size-full wp-image-224809" height="91" sizes="(max-width: 473px) 100vw, 473px" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1c.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1c.png 473w, https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1c-300x58.png 300w" width="473"/></a>
D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1d.png"><img alt="The following reaction shows Claisen condensation - option d" class="alignnone size-full wp-image-224810" height="90" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1d.png" width="228"/></a>
Answer» D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1d.png"><img alt="The following reaction shows Claisen condensation - option d" class="alignnone size-full wp-image-224810" height="90" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-aptitude-test-q1d.png" width="228"/></a>
Discussion