English
Karnataka Board PUCPUC Science 2nd PUC Class 12

Three structures are given below in which two glucose units are linked. Which of these linkages between glucose units are between C1 and C4 and which linkages are between C1 and C6? (I) (II) (III)

Advertisements
Advertisements

Question

Three structures are given below in which two glucose units are linked. Which of these linkages between glucose units are between C1 and C4 and which linkages are between C1 and C6?

(I)
(II)
(III)

Options

  • (A) is between C1 and C4, (B) and (C) are between C1 and C6

  • (A) and (B) are between C1 and C4, (C) is between C1 and C6

  • (A) and (C) are between C1 and C4, (B) is between C1 and C6

  • (A) and (C) are between C1 and C6, (B) is between C1 and C4

MCQ
Advertisements

Solution

(A) and (C) are between C1 and C4, (B) is between C1 and C6

Explanation:

(A) and (C) are between Cl and C4, (B) is between Cl and C6.

shaalaa.com
  Is there an error in this question or solution?
Chapter 14: Biomolecules - Multiple Choice Questions (Type - I) [Page 206]

APPEARS IN

NCERT Exemplar Chemistry Exemplar [English] Class 12
Chapter 14 Biomolecules
Multiple Choice Questions (Type - I) | Q 19 | Page 206

RELATED QUESTIONS

How many moles of acetic anhydride will be required to form glucose pentaacetate from 2M of glucose?

(a) 2

(b) 5

(c) 10

(d) 2.5


Glucose on reaction with HI gives n-hexane. What does it suggest about the structure of glucose?

 

 

Fill in the blanks by choosing the appropriate word/words from those given in the brackets:  

(iodoform, acetaldehyde, positive, greater, acidic, acetone, disaccharide, negative, increases, glucose, decreases, chloroform, polysaccharide, lactose, lesser, basic, cationic hydrolysis, anionic hydrolysis)

Sucrose is a _________ and yields upon hydrolysis, a mixture of ________ and fructose.


Answer the following question.
What is the basic structural difference between glucose and fructose?


Write the reaction involved when D-glucose is treated with the following reagent:

Br2 water


Glucose does not give Schiff’s test because of the formation of cyclic ____________.


The symbols D and L represents ____________.


Which one of the following compounds is different from the rest?


When glucose reacts with bromine water, the main product is ____________.


Glucose does not react with ____________.


Which of the following properties of glucose cannot be explained by its open chain structure?

(i) Glucose does not form hydrogen sulphite with NaHSO3.

(ii) On oxidation with HNO3 glucose gives saccharic acid.

(iii) Glucose is found to exist in two different crystalline forms which are named as α and β.


The reaction of glucose with red P + HI is called ____________.


Which of the following reactions of glucose can be explained only by its cyclic structure?


Which is the least stable form of glucose?


The letter D and L in carbohydrates represent ____________.


Which one of the following reactions is not explained by the open chain Structure of glucose?


How will you distinguish 1° and 2° hydroxyl groups present in glucose? Explain with reactions.


Write the reactions of D-glucose which can’t be explained by its open-chain structure. How can cyclic structure of glucose explain these reactions?


Account for the following:

What happens when D – glucose is treated with the following reagents

HNO3


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×