Deficiency of which vitamin causes night-blindness ?

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

C₆H₅NH₂, (C₂H₅)₂NH, C₂H₅NH₂

What is antiseptics? Give an example.

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

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

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

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


ii) 

 

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

Which of the two components of starch is water soluble?

Out of S_N1 and S_N2, which reaction occurs with

(a) Inversion of configuration

(b) Racemisation