Question

A reactant in a chemical reaction is non conductor to electricity, colourless and non responsive towards plane polarized light but can absorb ultraviolet rays, then the best technique of determination of initial rate of the such reaction is:
a)polarimetry
b)refractometery
c)spectroscopy
d)colourimetry​

Answer 1

$\huge{\fbox{\fbox{\bigstar{\mathfrak{\red{Answer}}}}}}$

Colourimetry❤️