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(D) Concentrated $H_2SO_4$ is a strong dehydrating agent. When sugar $(C_{12}H_{22}O_{11})$ reacts with concentrated $H_2SO_4$,the acid removes water

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Dehydration

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(D) Concentrated $H_2SO_4$ is a strong dehydrating agent. When sugar $(C_{12}H_{22}O_{11})$ reacts with concentrated $H_2SO_4$,the acid removes water molecules from the sugar,leaving behind carbon. The reaction is: $C_{12}H_{22}O_{11} \xrightarrow{conc. H_2SO_4} 12C + 11H_2O$. This process is known as dehydration,which causes the sugar to turn black.

When sugar is brought into contact with concentrated $H_2SO_4$,it turns black due to .......

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