List of top Chemistry Questions on Carbohydrates

Given below are two statements:
Statement I: Sucrose is dextrorotatory. However, sucrose upon hydrolysis gives a solution having mixture of products. This solution shows laevorotation.
Statement II: Hydrolysis of sucrose gives glucose and fructose. Since the laevorotation of glucose is more than the dextrorotation of fructose, the resulting solution becomes laevorotatory.
In the light of the above statements, choose the correct answer from the options given below.

Statement-I: Sucrose is dextrorotatory and upon hydrolysis, it becomes laevorotatory. Statement-II: Sucrose on hydrolysis gives glucose and fructose such that the laevorotation of glucose is more than dextrorotation of fructose. Which of the following is correct?

Match List - I with List - II:

List - I:
(A) Amylase
(B) Cellulose
(C) Glycogen
(D) Amylopectin

List - II:
(I) β-C1-C4 plant
(II) α-C1-C4 animal
(III) α-C1-C4 α-C1-C6 plant
(IV) α-C1-C4 plant

Given below are two statements:
Statement I: Fructose does not contain an aldehydic group but still reduces Tollen’s reagent.
Statement II: In the presence of base, fructose undergoes rearrangement to give glucose.
In the light of the above statements, choose the correct answer from the options given below.

Match List - I with List - II. \[ {List - I (Saccharides)} \quad {List - II (Glycosidic-linkages found)} \] \[ {(A) Sucrose} \quad {(I) } \alpha 1-4 \] \[ {(B) Maltose} \quad {(II) } \alpha 1-4 { and } \alpha 1-6 \] \[ {(C) Lactose} \quad {(III) } \alpha 1-\beta 2 \] \[ {(D) Amylopectin} \quad {(IV) } \beta 1-4 \] Choose the correct answer from the options given below:

The carbohydrates “Ribose” present in DNA is
A. A pentose sugar
B. Present in pyranose form
C. In “D” configuration
D. A reducing sugar, when free
E. In $ \alpha $-anomeric form

$\alpha$-D-glucose and $\beta$-D-glucose differ from each other with respect to the:

Furanose ring of fructose is formed due to reaction between :

Which examples of carbohydrates exhibit $\alpha$-link ($\alpha$-glycosidic link) in their structure?

Which of the following statements is not true about glucose?

Which of the following do not reduce Tollens' reagent?
a) Fructose
b) Sucrose
c) Lactose
d) Cellulose

Which of the following is a non-reducing sugar?

Fats are esters of higher fatty acids and:

A disaccharide X does NOT show mutarotation in aqueous solution. Acidic hydrolysis of X affords two different monosaccharides. The disaccharide X is:

What happens when D-glucose is treated with the following reagents?
(a) Br$_2$ water
(b) HCN

Write the reaction of glucose with:
(a) HI
(b) Br₂ water

The suitable Grignard reagent used for the synthesis of