EXPERIMENT 15 ANILINE Flashcards

1
Q

is a colorless liquid when freshly prepared but changes overtime to dark brown or red?

A

Aniline

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2
Q

if aniline is oxidized what color does it make?

A

red or brown

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3
Q

what odor does the aniline make?

A

peculiar odoro

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4
Q

aniline is insoluble in _________ but soluble in _________?

A

water, organic solvents

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5
Q

In the test for basicity what chemicals were used? Give its chemical formula?

A

Aniline (C6H5NH2), Water (H2O), Ferric chloride (FeCl3)

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6
Q

what was the product of basicity?

A

C6H5NH2+H2O —-> C6H5NH3 . OH (Anilinium hydroxide)

C6H5NH3.OH + Fe(Cl)3 —-> C6H5NH3.Cl + Fe(OH)3

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7
Q

what was the observable result of the test for basicity?

A

the presence of a brown precipitate formed indicating it to be oxidized. The Anilinium hydroxide turned the red litmus paper into a blue litmus paper. Inidicating it to be basic

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8
Q

how many ml of aniline was used in salt formation?

A

1/2 ml of aniline

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9
Q

the salt formation experiment created a product of?

A

C6H5NH2+HCl —–> C6H5NH3Cl Anilinium chloride

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10
Q

what was the observable results of the salt formation?

A

Presence of smoke was present

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11
Q

C6H5NH2+H2O —-> C6H5NH3.OH
C6H5NH3.OH + FeCl —-> Fe(OH)3 + C6H5NH3.Cl
What test was this?

A

Basicity

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12
Q

Presence of a brown precipitate? what test was this?

A

basicity

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13
Q

No changes were made however presence of smoke was present? What test was this?

A

Salt formation

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14
Q

by product of salt formation test?

A

C6H5NH3.Cl Anilinium chloride

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15
Q

what made the litmus paper in basicity test turn it to blue?

A

Anilinium hydroxide

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