MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 6 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 is not polyacetal? |
| A. | Dimethoxymethane |
| B. | Dioxolane |
| C. | Starch |
| D. | Cellulose |
| Answer» E. | |
| 2. |
Dimethoxymethane is dimethyl acetal of which of the following? |
| A. | Formaldehyde |
| B. | Acetaldehyde |
| C. | Tolualdehyde |
| D. | Propionaldehyde |
| Answer» B. Acetaldehyde | |
| 3. |
Which is normally the main product when a mixture of aldehyde RCHO and an excess of alcohol R OH is treated with a base catalyst? |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5a.png"><img alt="Product when mixture of aldehyde & excess of alcohol is treated with catalyst - option a" class="alignnone size-full wp-image-224686" height="65" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5a.png" width="78"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5b.png"><img alt="Product when mixture of aldehyde & excess of alcohol is treated with catalyst - option b" class="alignnone size-full wp-image-224687" height="64" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5b.png" width="82"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5c.png"><img alt="Product when mixture of aldehyde & excess of alcohol is treated with catalyst - option c" class="alignnone size-full wp-image-224688" height="62" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5c.png" width="83"/></a> |
| D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5d.png"><img alt="Product when mixture of aldehyde & excess of alcohol is treated with catalyst - option d" class="alignnone size-full wp-image-224689" height="67" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5d.png" width="91"/></a> |
| Answer» B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5b.png"><img alt="Product when mixture of aldehyde & excess of alcohol is treated with catalyst - option b" class="alignnone size-full wp-image-224687" height="64" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5b.png" width="82"/></a> | |
| 4. |
Which is normally the main product when a mixture of aldehyde RCHO and an excess of alcohol R OH is treated with an acid catalyst? |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5a.png"><img alt="Product when mixture of aldehyde & excess of alcohol is treated with catalyst - option a" class="alignnone size-full wp-image-224686" height="65" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5a.png" width="78"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5b.png"><img alt="Product when mixture of aldehyde & excess of alcohol is treated with catalyst - option b" class="alignnone size-full wp-image-224687" height="64" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5b.png" width="82"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5c.png"><img alt="Product when mixture of aldehyde & excess of alcohol is treated with catalyst - option c" class="alignnone size-full wp-image-224688" height="62" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5c.png" width="83"/></a> |
| D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5d.png"><img alt="Product when mixture of aldehyde & excess of alcohol is treated with catalyst - option d" class="alignnone size-full wp-image-224689" height="67" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5d.png" width="91"/></a> |
| Answer» D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5d.png"><img alt="Product when mixture of aldehyde & excess of alcohol is treated with catalyst - option d" class="alignnone size-full wp-image-224689" height="67" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q5d.png" width="91"/></a> | |
| 5. |
Which of the following most readily forms a cyclic hemiacetal with acid catalysis? |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q4a.png"><img alt="The following most readily forms a cyclic hemiacetal with acid catalysis - option a" class="alignnone size-full wp-image-224682" height="67" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q4a.png" width="139"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q4b.png"><img alt="The following most readily forms a cyclic hemiacetal with acid catalysis - option b" class="alignnone size-full wp-image-224683" height="67" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q4b.png" width="150"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q4c.png"><img alt="The following most readily forms a cyclic hemiacetal with acid catalysis - option c" class="alignnone size-full wp-image-224684" height="67" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q4c.png" width="178"/></a> |
| D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q4d.png"><img alt="The following most readily forms a cyclic hemiacetal with acid catalysis - option d" class="alignnone size-full wp-image-224685" height="68" sizes="(max-width: 202px) 100vw, 202px" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q4d.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q4d.png 202w, https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q4d-200x68.png 200w" width="202"/></a> |
| Answer» D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q4d.png"><img alt="The following most readily forms a cyclic hemiacetal with acid catalysis - option d" class="alignnone size-full wp-image-224685" height="68" sizes="(max-width: 202px) 100vw, 202px" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q4d.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q4d.png 202w, https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q4d-200x68.png 200w" width="202"/></a> | |
| 6. |
Which combination of an aldehyde and an alcohol most readily forms a hemiacetal with base catalysis? |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q3a.png"><img alt="Combination of aldehyde & alcohol readily form hemiacetal with base catalysis - option a" class="alignnone size-full wp-image-224678" height="69" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q3a.png" width="212"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q3b.png"><img alt="Combination of aldehyde & alcohol readily form hemiacetal with base catalysis - option b" class="alignnone size-full wp-image-224679" height="71" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q3b.png" width="222"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q3c.png"><img alt="Combination of aldehyde & alcohol readily form hemiacetal with base catalysis - option c" class="alignnone size-full wp-image-224680" height="66" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q3c.png" width="224"/></a> |
| D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q3d.png"><img alt="Combination of aldehyde & alcohol readily form hemiacetal with base catalysis - option d" class="alignnone size-full wp-image-224681" height="74" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q3d.png" width="235"/></a> |
| Answer» D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q3d.png"><img alt="Combination of aldehyde & alcohol readily form hemiacetal with base catalysis - option d" class="alignnone size-full wp-image-224681" height="74" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-acetals-q3d.png" width="235"/></a> | |