MCQ
In fructose, the possible optical isomers are
- A$12$
- ✓$8$
- C$16$
- D$4$
✓
Answer
Correct option: B.
$8$
b
(b) Fructose has three chiral centres and hence $23 = 8$ optical isomers are possible.
(b) Fructose has three chiral centres and hence $23 = 8$ optical isomers are possible.
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
In which of the following pairs the two species are not isostructural ?
Electron occupies the available orbital singly before pairing in any one orbital occurs, it is
Compare the rate of dehydration of $(i),\,\, (ii)$ and $(iii)$ by conc. $H_2SO_4$
→$2.2016\,gm$ of acetaldehyde produced $13.95\,kcal$ of heat on combustion in ${O_2}$. Calculate the heat of combustion of $C{H_3}CHO$ ......$kcal$
→The number of significant figures in $50000.020 \times 10^{-3}$ is ..... .
→Match the column
→| Column $-I$ | Column $-II$ | ||
| $(a)$ | $[Pt(NH_3)_3Cl]Br$ | $(P)$ | Coordination isomerism |
| $(b)$ | $[Cr(NH_3)_5(NCS)]^{+2}$ | $(Q)$ | Ionisation isomerism |
| $(c)$ | $[Co(H_2O)_6]Cl_3$ | $(R)$ | Linkase isomerism |
| $(d)$ | $[PtCl_4] [Pt(NH_3)_4]$ | $(S)$ | Hydrated isomerism |
$\begin{array}{*{20}{c}}
{\,\,\,C{H_3}\,\,\,\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - O - C{H_3}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,C{H_3}\,\,\,\,\,\,}
\end{array}$ $\xrightarrow{{Conc.HI}}$
→{\,\,\,C{H_3}\,\,\,\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - O - C{H_3}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,C{H_3}\,\,\,\,\,\,}
\end{array}$ $\xrightarrow{{Conc.HI}}$
Type of reaction in above reaction is
Binding energy of hydrogen atom is $13.6\, eV .$ The binding energy of a singly ionized helium atom is : ............ $\mathrm{eV}$
→On going from right to left in a period in the periodic table the electronegativity of the elements
$B$ is?
→