Advertisements
Advertisements
प्रश्न
When D-glucose reacts with HI, it forms ______.
पर्याय
Gluconic acid
n-hexane
Saccharic acid
Iodohexane
Advertisements
उत्तर
When D-glucose reacts with HI, it forms n-hexane.
Explanation:
On prolonged heating with HI, it forms n-hexane, suggesting that all the six carbon atoms are linked in a straight chain.
\[\begin{array}{cc}
\ce{CHO}\phantom{.................................................}\\
|\phantom{.....................................................}\\
\ce{(CHOH)4 ->[HI,\Delta] \underset{{(n-Hexane)}}{CH3 - CH2 - CH2 - CH2 - CH2 - CH3}}\\
|\phantom{.....................................................}\\
\ce{CH2OH}\phantom{...............................................}
\end{array}\]
APPEARS IN
संबंधित प्रश्न
What happens when glucose is treated with hydroxylamine?
Write the product when D-glucose reacts with conc. HNO3.
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.
The spatial arrangement of the given molecule is denoted by:
Oxime is formed by treating glucose with ____________.
Which of the following statements is incorrect regarding glucose?
The number of chiral carbons in ß-D(+) glucose is ____________.
Why does compound (A) given below not form an oxime?
(A)
What happens when D-glucose is treated with the following reagent?
HI
Glucose with excess of phenyl hydrazine forms ______.
