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प्रश्न
When D-glucose reacts with HI, it forms ______.
पर्याय
Gluconic acid
n-hexane
Saccharic acid
Iodohexane
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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.
\[\begin{array}{cc}
\ce{CHO}\phantom{.................................................}\\
|\phantom{.....................................................}\\
\ce{(CHOH)4 ->[HI,\Delta] \underset{{(n-Hexane)}}{CH3 - CH2 - CH2 - CH2 - CH2 - CH3}}\\
|\phantom{.....................................................}\\
\ce{CH2OH}\phantom{...............................................}
\end{array}\]
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