Cellulose is a polysaccharide and is made of
- A$ \beta $-$D$-glucose units joined through $1,4$-glycosidic linkages
- B$ \alpha $-$D$-glucose units joined through $1,4$-glycosidic linkages
- C$ \alpha $-$D$-glucose units joined through $1,6$-glycosidic linkages
- D$ \beta $-$D$-glucose units joined through $1,6$-glycosidic linkages
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Four carbohydrates: glucose,lactose,sucrose,and starch are present. Different tests are carried out with these $4$ carbohydrates separately. The following observations are made:
$(a)$ Heated: It is charred.
$(b)$ $I_2$ solution: No violet colour.
$(c)$ Fehling solution: Reddish brown precipitate is observed.
$(d)$ It does not reduce copper$(II)$ acetate to $Cu_2O$. No red precipitate is observed in $5 \ min$.
Which carbohydrate satisfies all the above observations?
$(a)$ Heated: It is charred.
$(b)$ $I_2$ solution: No violet colour.
$(c)$ Fehling solution: Reddish brown precipitate is observed.
$(d)$ It does not reduce copper$(II)$ acetate to $Cu_2O$. No red precipitate is observed in $5 \ min$.
Which carbohydrate satisfies all the above observations?
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View SolutionIdentify the glycosidic linkage present in maltose.
Sucrose contains which of the following groups?
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