Explore topic-wise MCQs in Organic Chemistry.

This section includes 5 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.

Among the following which is most stabilized cation?

A. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q6a.png"><img alt="The following which is most stabilized cation - option a" class="alignnone size-full wp-image-224295" height="74" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q6a.png" width="93"/></a>
B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q6b.png"><img alt="The following which is most stabilized cation - option b" class="alignnone size-full wp-image-224296" height="78" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q6b.png" width="103"/></a>
C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q6c.png"><img alt="The following which is most stabilized cation - option c" class="alignnone size-full wp-image-224297" height="85" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q6c.png" width="103"/></a>
D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q6d.png"><img alt="The following which is most stabilized cation - option d" class="alignnone size-full wp-image-224298" height="83" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q6d.png" width="101"/></a>
Answer» D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q6d.png"><img alt="The following which is most stabilized cation - option d" class="alignnone size-full wp-image-224298" height="83" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q6d.png" width="101"/></a>
Discussion
2.

Which of the following is most stable intermediate?

A. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q4.png"><img alt="The following is most stable intermediate - option a" class="alignnone size-full wp-image-224289" height="84" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q4.png" width="147"/></a>
B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q4a.png"><img alt="The following is most stable intermediate - option b" class="alignnone size-full wp-image-224290" height="97" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q4a.png" width="144"/></a>
C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q4b.png"><img alt="The following is most stable intermediate - option c" class="alignnone size-full wp-image-224291" height="90" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q4b.png" width="141"/></a>
D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q4c.png"><img alt="The following is most stable intermediate - option d" class="alignnone size-full wp-image-224292" height="88" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q4c.png" width="145"/></a>
Answer» D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q4c.png"><img alt="The following is most stable intermediate - option d" class="alignnone size-full wp-image-224292" height="88" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q4c.png" width="145"/></a>
Discussion
3.

The order of decreasing stability of the following cations is?
(I) CH3C+HCH3 (II) CH3C+HOCH3 (III) CH3C+HCOCH3

A. III &gt; II &gt; I
B. I &gt; II &gt; III
C. II &gt; I &gt; III
D. I &gt; III &gt; II
Answer» B. I &gt; II &gt; III
Discussion
4.

Which one among the following carbocations has the longest half-life?

A. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q2a.png"><img alt="The following carbocations has the longest half-life - option a" class="alignnone size-full wp-image-224282" height="69" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q2a.png" width="100"/></a>
B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q2b.png"><img alt="The following carbocations has the longest half-life - option b" class="alignnone size-full wp-image-224283" height="93" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q2b.png" width="140"/></a>
C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q2c.png"><img alt="The following carbocations has the longest half-life - option c" class="alignnone size-full wp-image-224284" height="100" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q2c.png" width="141"/></a>
D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q2d.png"><img alt="The following carbocations has the longest half-life - option d" class="alignnone size-full wp-image-224285" height="56" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q2d.png" width="104"/></a>
Answer» B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q2b.png"><img alt="The following carbocations has the longest half-life - option b" class="alignnone size-full wp-image-224283" height="93" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q2b.png" width="140"/></a>
Discussion
5.

Which carbocation is the most stable?

A. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q1a.png"><img alt="Carbocation is the most stable - option a" class="alignnone size-full wp-image-224278" height="79" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q1a.png" width="163"/></a>
B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q1b.png"><img alt="Carbocation is the most stable - option b" class="alignnone size-full wp-image-224279" height="74" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q1b.png" width="167"/></a>
C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q1c.png"><img alt="Carbocation is the most stable - option c" class="alignnone size-full wp-image-224280" height="61" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q1c.png" width="167"/></a>
D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q1d.png"><img alt="Carbocation is the most stable - option d" class="alignnone size-full wp-image-224281" height="74" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q1d.png" width="163"/></a>
Answer» C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q1c.png"><img alt="Carbocation is the most stable - option c" class="alignnone size-full wp-image-224280" height="61" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-reaction-intermediates-q1c.png" width="167"/></a>
Discussion