(A) Sucrose is a disaccharide composed of $\alpha$-$D$-glucose and $\beta$-$D$-fructose units linked by a glycosidic bond.In the $\alpha$-$D$-glucose

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

(A) Sucrose is a disaccharide composed of $\alpha$-$D$-glucose and $\beta$-$D$-fructose units linked by a glycosidic bond.In the $\alpha$-$D$-glucose unit,there are $5$ chiral carbon atoms.In the $\beta$-$D$-fructose unit,there are $4$ chiral carbon atoms.Therefore,the total number of chiral carbon atoms in a sucrose molecule is $5 + 4 = 9$.

Class 12 Chemistry Biomolecules Carbohydrates

Medium

The number of chiral carbons present in sucrose is

JEE MAIN 2020 All JEE MAIN

A
$9$
B
$5$
C
$12$
D
$16$

Explore More

Browse All

Question Bank

All Subjects

Class 12 Questions

Class 12

Chemistry Questions

Chapter

Biomolecules

Subtopic

Carbohydrates

Previous Year

JEE MAIN 2020 Paper All JEE MAIN years →

Which of the following is a disaccharide?

Easy

View Solution

Match List-$I$ with List-$II$:

List-$I$ List-$II$

$(a)$. Sucrose $(i)$. $\beta-D$-Galactose and $\beta-D$-Glucose

$(b)$. Lactose $(ii)$. $\alpha-D$-Glucose and $\beta-D$-Fructose

$(c)$. Maltose $(iii)$. $\alpha-D$-Glucose and $\alpha-D$-Glucose

Choose the correct answer from the options given below:

List-$I$	List-$II$
$(a)$. Sucrose	$(i)$. $\beta-D$-Galactose and $\beta-D$-Glucose
$(b)$. Lactose	$(ii)$. $\alpha-D$-Glucose and $\beta-D$-Fructose
$(c)$. Maltose	$(iii)$. $\alpha-D$-Glucose and $\alpha-D$-Glucose