Why is the use of aspartame limited to cold foods and soft drinks?

Draw the structure of major monohalo product in each of the following reactions: 
i) 


ii) 

 

Name the base that is found in nucleotide of RNA only.

What is antiseptics? Give an example.

Which alkyl halide from the following pair is chiral and undergoes faster S_N2 reaction?

Deficiency of which vitamin causes night-blindness ?

Arrange the following compounds in increasing order of solubility in water:

C₆H₅NH₂, (C₂H₅)₂NH, C₂H₅NH₂

Which of the two components of starch is water soluble?

Give two examples of macromolecules that are chosen as drug targets.

Out of S_N1 and S_N2, which reaction occurs with

(a) Inversion of configuration

(b) Racemisation