Question
Explain the structure of fructose.
✓
Answer
Fructose has molecular formula $C _6 H _{12} O _6$. It contains ketonic functional group at carbon number 2 and six carbon atoms in straight chain. It belongs to $D$-series and is a laevo rotatory compound. It is written as D-(-)-fructose. Being an $\alpha$-hydroxy keto compound fructose is a reducing sugar.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Write molecular formulae and structure of the following compounds :
(1) Peroxy monosulphuric acid
(2) Pyrosulphuric aCld
(1) Peroxy monosulphuric acid
(2) Pyrosulphuric aCld
Arrange the following amines in the increasing order of their ${ }_p K_b$ values. Aniline, Cyclohexylamine, 4 -Nitroaniline
→The rate of the reaction, $A \rightarrow$ Products is $1.25 \times 10^{-2} M / s$ when concentration of $A$ is $0.45 M$. Determine the rate constant if the reaction is
(a) first order in $A$
(b) second order in $A$.
→(a) first order in $A$
(b) second order in $A$.
Draw intramolecular hydrogen bonding structures in the following compounds :
(a) o-nitrophenol
(b) o-hydroxy benzoic acid.
(a) o-nitrophenol
(b) o-hydroxy benzoic acid.
What are amino acids? Write the correct reaction for formation of peptide bond between amino acids.
What is Fehling’s solution? How is it prepared?
Write the Haworth projection formulae for $\alpha-D-(-)-$ Fructofuranose and $\beta-D-(-)-$ Fructofuranose.
→Define solubility. How is it expressed ?
Derive the relationship between standard cell potential and equilibrium constant of cell reaction.
Explain bond enthalpy of diatomic molecules.