An invert sugar is

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(C) The hydrolysis of sucrose produces an equimolar mixture of $D-(+)$-glucose and $D-(-)$-fructose.Since the specific rotation of $D-(-)$-fructose $(

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Laevorotatory

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(C) The hydrolysis of sucrose produces an equimolar mixture of $D-(+)$-glucose and $D-(-)$-fructose.Since the specific rotation of $D-(-)$-fructose $(-92.4^{\circ})$ is greater in magnitude than that of $D-(+)$-glucose $(+52.7^{\circ})$,the resulting mixture has a net negative rotation.Therefore,the mixture is laevorotatory,and this phenomenon is known as the inversion of cane sugar.

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