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What is the name of the shown compound?(a) Ethane-1,2-dione(b) Butane-1,2-dione(c) Butanone(d) Butane-2,3-dioneI have been asked this question in a national level competition.The doubt is from Nomenclature and Structure of Carbonyl Groups topic in section Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12

Answer»

Right choice is (d) Butane-2,3-dione

For explanation I would say: This is a symmetrical dimethyl diketone. There are four carbons in the PARENT CHAIN, including the TWO carbons of ketonic group and numbering can start from either END of the chain.



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