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Which of the following can be measured/checked with the help of a polarimeter?

a)Optical activity  b)Chirality of a compound  c)existence of a racemic material

 

Option: 1

a


Option: 2

bc


Option: 3

abc


Option: 4

c


Answers (1)

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As we learnt

 

Polarimeter -

 

Rotation of plane polarised light is measured using polarimeter.

- wherein

 

 A polarimeter measures the angle by which the plane polarized light is rotated.If a compound is chiral,it will show optical activity and rotate plane polarized light. A racemic mixture has zero optical activity.

 

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