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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Synthesis of fluorescein and its spectroscopy

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Fluorescein is a

a: Known highly fluorescent molecule Explanation

Explanation

b: Known strong oxidizing agent Explanation

Explanation

c: Known strong reducing agent Explanation

Explanation

d: Known strong radical scavenger Explanation

Explanation

Fluorescein absorbs at 490 nm. The colour of fluorescein is

a: grey Explanation

Explanation

b: yellow Explanation

Explanation

c: blue Explanation

Explanation

d: colorless Explanation

Explanation

Sodium salt of fluorescein is commonly used in

a: Ophthalmology Explanation

Explanation

b: Dermatology Explanation

Explanation

c: Pathology Explanation

Explanation

d: Radiology Explanation

Explanation

The stable form of fluorescein in neutral medium is

a: Quinoid form Explanation

Explanation

b: Quinoline form Explanation

Explanation

c: Lactoide form Explanation

Explanation

d: Furan form Explanation

Explanation

The stable form of fluorescein in basic medium is

a: Quinoid form Explanation

Explanation

b: Quinoline form Explanation

Explanation

c: Lactoide form Explanation

Explanation

d: Furan form Explanation

Explanation

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