मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Which of the following pairs represents anomers?

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प्रश्न

Which of the following pairs represents anomers?

पर्याय

MCQ
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उत्तर

Explanation:

The isomers which differ only in the configuration of the hydroxyl group at C – 1 are called anomers and are referred to as α- and β-fonns.

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पाठ 14: Biomolecules - Multiple Choice Questions (Type - I) [पृष्ठ २०२]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
पाठ 14 Biomolecules
Multiple Choice Questions (Type - I) | Q 4 | पृष्ठ २०२

संबंधित प्रश्‍न

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


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.


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

Br2 water


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

(CH3CO)2O


The following compound can be called as:


Oxime is formed by treating glucose with ____________.


Acetylation of glucose yields ____________.


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


Which of the following statements is incorrect regarding glucose?


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


Which is the least stable form of glucose?


The two forms of D-glucopyranose obtained from the solution of D-glucose are called ____________.


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.


On the basis of which evidences D-glucose was assigned the following structure?

\[\begin{array}{cc}
\ce{CHO}\\
|\phantom{....}\\
\phantom{..}\ce{(CHOH)4}\\
|\phantom{....}\\
\phantom{..}\ce{CH2OH}
\end{array}\]


Glucose with excess of phenyl hydrazine forms ______.


The number of asymmetric carbon atoms in the glucose molecule in open and cyclic form is ______.


Give a reason for the following observations:

Penta-acetate of glucose does not react with hydroxylamine.


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