What is the common name of the compound which has a CHO group attached to the sp^2 hybridised carbon of a benzene ring?(a) Benzanal(b) Benzaldehyde(c) Benzenecarbaldehyde(d) PhthaldehydeI have been asked this question in unit test.Question is from Nomenclature and Structure of Carbonyl Groups in chapter Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12

What is the common name of the compound which has a CHO group attached

1.	What is the common name of the compound which has a CHO group attached to the sp^2 hybridised carbon of a benzene ring?(a) Benzanal(b) Benzaldehyde(c) Benzenecarbaldehyde(d) PhthaldehydeI have been asked this question in unit test.Question is from Nomenclature and Structure of Carbonyl Groups in chapter Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12
Answer» RIGHT OPTION is (b) Benzaldehyde The explanation: The IUPAC name of the simplest AROMATIC aldehyde carrying the CHO group on a benzene RING is benzenecarbaldehyde. Its common name is benzaldehyde, which is ALSO accepted by IUPAC.

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