Answer the following questions and then press 'Submit' to get your score. Show Question 1Which class of compound is an example of a carbonyl compound? a) alcohol b) carboxylic acid c) alkene d) alkane Question 2Which molecule is an example of a ketone? a) Ethanal (Acetaldehyde) b) Ethanoic anhydride (Acetic anhydride) c) Propan-2-one (acetone) d) Propanamide Question 3Which molecule is an example of an amide? a) Ethanal (Acetaldehyde) b) Ethanoic anhydride (Acetic anhydride) c) Ethyl propanoate d) Propanamide Question 4Which molecule is an example of an acid chloride? a) Propanoyl chloride b) Ethanoic anhydride (Acetic anhydride) c) Ethyl propanoate d) Propanamide Question 5Which carbonyl compound would react violently with water? a) Propan-2-one (acetone) b) Ethanoyl chloride ( Acetyl chloride) c) Ethanoic acid (Acetic acid) d) Ethanal (Acetaldehyde) Question 6Conversion of an aldehyde to an alcohol is generally known as... a) Reduction b) Oxidation c) Esterification d) Polymerisation Question 7Conversion of a carboxylic acid to an ester is known as... a) Reduction b) Oxidation c) Esterification d) Polymerisation Question 8Why is sodium borohydride an important reagent in reducing a ketone? a) It is good for hydrolysis type reactions b) It is a good source of the hydride ion (H-) c) It can act as a base d) It can act as a free radical initiator. Question 9Why might an ester derivative of a drug be made? a) To increase lipid solubility b) To increase molecular weight c) To improve compliance d) To increase the melting point Question 10The products of the reaction of a carboxylic acid and an alcohol would be... a) Ketone and water b) Amide and water c) Acid chloride and water d) Ester and water This set of Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Nomenclature and Structure of Carbonyl Groups – 1”. 1. Which of the following compounds do not contain a carbonyl group? Answer: a 2. How many carbon atoms does formaldehyde have? Answer: b 3. What is the common name of butanal? Answer: c 4. What is the common name of the compound which has a CHO group attached to the sp2
hybridised carbon of a benzene ring? Answer: b 5. Which of the following is the incorrect name for the following
compound? a) 3-Methylbutanal b) β-Methylbutyraldehyde c) γ-Methylbutyraldehyde d) Isovaleraldehyde View Answer Answer: c 6. The prefix valer-
is used for generally used for naming aldehydes with how many carbon atoms in the structure? Answer: c 7.
What is the correct IUPAC naming of the compound shown? a) Benzenecarbaldehyde b) Cyclohexanal c) Cyclohexyl aldehyde d) Cyclohexanecarbaldehyde View Answer Answer: d 8. Identify the correct IUPAC name of
CH3-CH=CH-CHO. Answer: a 9. The compound 3-Phenylprop-2-enal is also known as _________ Answer: b 10. Identify the correct common name for the following compound. a) 3-Methylcyclohexanecarbaldehyde b) 3-Methylbenzecarbaldehyde c) 3-Methylbenzaldehyde d) γ-Methylcyclohexanecarbaldehyde View Answer Answer: d 11. What is the IUPAC name of the sown compound? a) Propane-1,2,3-trial b) 3-Formylpentan-1,5-dial c) 2-(Formylmethyl)butan-1,4-dial d) Propane-1,2,3-tricarbaldehyde View Answer Answer: d 12. How many aldehydic groups does the compound phthaldehyde have? Answer: b 13. The compound 3-Bromobenzaldehyde is named as γ-Bromobenzaldehyde in the common system. Answer: b 14. Vanillin is an aldehydic compound. Answer: a Sanfoundry Global Education & Learning Series – Chemistry – Class 12. To practice all areas of Chemistry, here is complete set of 1000+ Multiple Choice Questions and Answers. Next Steps:
Which compound is a carbonyl compound?Aldehydes and Ketones
There are a number of functional groups that contain a carbon-oxygen double bond, which is commonly referred to as a carbonyl. Ketones and aldehydes are two closely related carbonyl-based functional groups that react in very similar ways.
Which class of compound is an example of carbonyl compound?Examples of Organic Carbonyl Compounds
These include carbamates, urea, and also the derivatives of phosgene, acyl chlorides chloroformates, carbonate esters, lactones, thioesters, lactams, isocyanates, and hydroxamates.
Is carbonyl a class of organic compound?A carbonyl group is a chemically organic functional group composed of a carbon atom double-bonded to an oxygen atom --> [C=O] The simplest carbonyl groups are aldehydes and ketones usually attached to another carbon compound. These structures can be found in many aromatic compounds contributing to smell and taste.
Which compound is not a carbonyl compound Mcq?Which of the following compounds do not contain a carbonyl group? Explanation: Carbonyl groups are those which contain a carbon-oxygen double bond. In alcohols, the bond between C and O is a single bond and hence does not contain a carbonyl group.
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