All structures given below are of vitamin C. Most stable of them is :
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : $$\alpha$$-halocarboxylic acid on reaction with dil. $$\mathrm{NH_3}$$ gives good yield of $$\alpha$$-amino carboxylic acid whereas the yield of amines is very low when prepared from alkyl halides.
Reason (R) : Amino acids exist in zwitter ion form in aqueous medium.
In the light of the above statements, choose the correct answer from the options given below :
The correct representation in six membered pyranose form for the following sugar [X] is
Match List I with List II
| List I | List II | ||
|---|---|---|---|
| Test | Functional group / Class of Compound | ||
| A. | Molisch's Test | I. | Peptide |
| B. | Biuret Test | II. | Carbohydrate |
| C. | Carbylamine Test | III. | Primary amine |
| D. | Schiff's Test | IV. | Aldehyde |
Choose the correct answer from the options given below :
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