Quiz 2 - Recrystallization & Melting Points Flashcards

1
Q

Recrystallization is the most common method for…

A

Purifying organic compounds

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2
Q

How is Recrystallization tested for purity?

A

Test for purity by comparing their melting point with previously reported melting point values from literature

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3
Q

The Recrystallization solvent for Acetanilide is…

A

H2O

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4
Q

The relative solvent polarity of Acetanilide is…

A

Most polar

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5
Q

The Recrystallization solvent for trans-Cinnamic Acid is…

A

CH3CH2OH/H2O

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6
Q

The relative solvent polarity of trans-Cinnamic Acid is…

A

Medium polarity

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7
Q

The Recrystallization solvent for Caffeine Salicylate is…

A

Ether or Ligroin

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8
Q

The relative solvent polarity of Caffeine Salicylate is…

A

Very non-polar

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9
Q

Caffeine is a _____ and will react with an acid to give a ______.

A

Base; salt

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10
Q

When reacted with Salicylic Acid, Caffeine forms a…

A

Salt derivative…Caffeine Salicylate

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