Glucose and fructose differ in:

  • Option 1)

    Taste

  • Option 2)

    Action of heat 

  • Option 3)

    Action of Tollen's Reagent 

  • Option 4)

    Direction of optical rotation 

 

Answers (1)

As learnt in

Preparation of glucose and fructose from sucrose ( cane sugar ) -

Sucrose is boiled with dilute  HCl or H_{2}SO_{4} in alcoholic solution , glucose (dextorotatory) and fructose (laevorotatory) are obtained in equal amount .

- wherein

 

 Glucose is dextrorotatory and fructose is levorotatory

 


Option 1)

Taste

Incorrect option

Option 2)

Action of heat 

Incorrect option

Option 3)

Action of Tollen's Reagent 

Incorrect option

Option 4)

Direction of optical rotation 

correct option

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