Glucose or sucrose are soluble in water but cyclohexane or benzene (simple six membered  ring compounds) are insoluble in water. Explain.

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1 Answers

A glucose molecule contains five −OH groups while a sucrose molecule contains eight −OH groups. Thus, glucose and sucrose undergo extensive H-bonding with water. Hence, these are soluble in water.
But cyclohexane and benzene do not contain −OH groups. Hence, they cannot undergo Hbonding with water and as a result, are insoluble in water.

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