English

How Many Moles of Acetic Anhydride Will Be Required to Form Glucose Pentaacetate from 2m of Glucose?

Advertisements
Advertisements

Question

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

Advertisements

Solution

(c) 10

shaalaa.com
  Is there an error in this question or solution?
2013-2014 (March)

APPEARS IN

RELATED QUESTIONS

Maltose is a 

(a) Polysaccharide

(b) Disaccharide

(c) Trisaccharide

(d) Monosaccharide


Differentiable between the following: 
Amylose and Amylopectin 


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.


What do you observe when glucose is treated with bromine water?


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


Write the reactions involved when D-glucose is treated with the following reagent:
H2N-OH


What is the most abundant organic compound on earth?


Oxime is formed by treating glucose with ____________.


Acetylation of glucose yields ____________.


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


Glucose does not react with ____________.


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?


A solution of D-glucose in water rotates the plane polarised light ____________.


The number of chiral carbon atoms present in cyclic structure α-D(+) glucose:


Choose the correct relationship for glucose and fructose:


The letter D and L in carbohydrates represent ____________.


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


In the following reaction, identify A and B:

\[\begin{array}{cc}
\ce{C6H12O6 ->[Acetic anhydride] A}\\
\downarrow \text{Conc. nitric acid}\phantom{...}\\
\ce{B}\phantom{.................}\end{array}\]


Why does compound (A) given below not form an oxime?


                   (A)


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


Account for the following:

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

Bromine water


Account for the following:

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

HNO3


Glucose with excess of phenyl hydrazine forms ______.


The reagents with which glucose does not react to give the corresponding tests/products are:

  1. Tollen’s reagent
  2. Schiff’s reagent
  3. HCN
  4. NH2OH
  5. NaHSO3

Choose the correct options from the given below:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×