MCQ
Which of the following pairs represents anomers?
  • A
  • B

  • C

  • D

Answer

​​​​

Explanation:

The twocyclichemiacetalformsofglucosediffer only inthe configuration of the hydroxyl group at Cl, called anomeric carbon (the aldehyde carbon before cyclisation). Such isomers, i.e., alpha-form and beta-form, are called anomers.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The position of some metals in the electrochemical series in decreasing electropositive character is given as $Mg > Al > Zn > Cu > Ag.$ What will happen, if a copper spoon is used to stir a solution of aluminium nitrate
For the reaction between $A$ and $B$ , the initial rate of reaction $(r_0)$ was measured for different initial concentration of $A$ and $B$ as given below Order of the reaction with respect to $A$ and $B$ respectively, is $\sqrt 2  = 1.4 ,\,\sqrt 3  \times 10^{-4}$ 
$A/mol\,L^{-1}$ $0.2$ $0.2$ $0.4$
$B/mol\,L^{-1}$ $0.3$ $0.1$ $0.05$
$r_0/mol^{-1}s^{-1}$ $5.0\times 10^{-5}$ $5.0\times 10^{-5}$ $1.4\times 10^{-4}$
$[PdCl_2(PMe_3)_2]$ is a diamagnetic complex of $Pd(II)$. How many total  isomers are possible of analogous paramagnetic complex of $Ni(II)$ ?
At $ 300\,K$, when a solute is added to a solvent its vapour pressure over the mercury reduces from $50\,mm$ to $45\,mm$. The value of mole fraction of solute will be
A mixture of one mole each of $H _{2}, He$ and $O _{2}$ each are enclosed in a cylinder of volume $V$ at temperature $T.$ If the partial pressure of $H _{2}$ is $2$ a$tm,$ the total pressure of the gases in the cylinder is$.......atm$
In the given reaction :

$\begin{array}{*{20}{c}}
  {Cl\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - CH - COOH} 
\end{array}\mathop {\xrightarrow{{(i)\,N{H_3}}}}\limits_{1\,mole\,\,(ii)\,{H_2}O} [X]$

Product $[X]$ will be :

Silver chloride dissolves in
The oxidation of benzyl chloride with lead nitrate gives
Which of the following metals will not react with solution of $CuS{O_4}$
Methyl-terbutyl ether on heating with $HI$ of one molar concentration gives