MCQ
Glucose and Galactose are having identical configuration in all the positions except position
  • $C-4$
  • B
    $C-3$
  • C
    $C-5$
  • D
    $C-2$

Answer

Correct option: A.
$C-4$
a

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

When a molten ionic hydride is electrolysed
When rectified spirit and benzene are distilled together, the first fraction obtained is
Which of the following does not respond to Fehling solution test and haloform reaction but show Cannizzaro's reaction
(image) $\mathop {\xrightarrow{{{P_2}{O_5}}}}\limits_\Delta  W\mathop {\xrightarrow{{C{H_3}MgBr}}}\limits_{H_3^ + O} $$X\mathop {\xrightarrow{{(yellow\,ppt.)}}}\limits_{Ca{{(OH)}_2},{I_2}} Y\xrightarrow{\Delta }Z$

$Z$ is :

Assertion : $4-$ Nitrochlorobenzene undergoes nucleophilic substitution more readily than chlorobenzene.
Reason : Chlorobenzene undergoes nucleophilic substitution by elimination-addition mechanism while $4-$ nitrochlorobenzene undergoes nucleophilic substitution by addition-elimination mechanism.
The reagent that can distinguish benzaldehyde from propionaldehyde is
$2\,g$ of benzoic acid ( $M_w = 122\,g/mol$ ) dissolve in $25\,g$ $C_6H_6$ and shows a depression in freezing point equal to $1.62\,K,$ $K_f (C_6H_6) = 4.9\,K\,molal^{-1}$ if acid forms dimer in solution then the percentage association of acid is  ......... $\%$.
An orange solid $(X)$ on heating gives a colourless $gas\, (Y)$ and only a green residue $(Z)$. $Gas\, (Y)$ on treatment with $Mg$ produces a white solid substance
Match List - $I$ with List -$II$.   $Image$  Choose the correct answer from options given below:
For a first order reaction $A \to B$ the reaction rate at reactant concentration of $0.01\,M$ is found to be $2.0 \times {10^{ - 5}}mol\;{L^{ - 1}}{s^1}$. The half life period of the reaction is .......... $\sec$