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प्रश्न
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) |  |
पर्याय
(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
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उत्तर
(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.
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संबंधित प्रश्न
Write the reaction that indicates the presence of -CHO group in glucose
Maltose is a
(a) Polysaccharide
(b) Disaccharide
(c) Trisaccharide
(d) Monosaccharide
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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
The following compound can be called as:
The number of asymmetric carbon atom(s) below the figure is/are
What is the most abundant organic compound on earth?
Oxime is formed by treating glucose with ____________.
The symbols D and L represents ____________.
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 two forms of D-glucopyranose obtained from the solution of D-glucose are called ____________.
Which of the following pairs represents anomers?
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?
\[\begin{array}{cc}
\ce{CHO}\\
|\phantom{....}\\
\phantom{..}\ce{(CHOH)4}\\
|\phantom{....}\\
\phantom{..}\ce{CH2OH}
\end{array}\]
Account for the following:
What happens when D – glucose is treated with the following reagents
Bromine water
Consider the following reactions:
(i) \[\ce{Glucose + R-OH ->[Conc. HNO3] [A] ->[X eq of][(CH3CO)2O] Acetyl derivative}\]
(ii) \[\ce{Glucose ->[Ni/H2] [A] ->[Y eq of][(CH3CO)2O] Acetyl derivative}\]
(iii) \[\ce{Glucose ->[Z eq of][(CH3CO)2O] Acetyl derivative}\]
'X, 'Y' and 'Z' in these reactions are respectively:
Glucose with excess of phenyl hydrazine forms ______.
Give a reason for the following observations:
Penta-acetate of glucose does not react with hydroxylamine.
