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org chem idiot > Facts lang > Flashcards

Facts lang Flashcards

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1
Q

How is ester formed?

A

Carboxylic acid + alcohol

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2
Q

Carboxylic Acid + alcohol

A

Ester + Water

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3
Q

Lucas test is used to?

A

Differentiate primary,sec,and tert, alcohols.

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4
Q

Lucas test: what type of alcohols are most reactive

A

secondary and tertiary

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5
Q

Positive result in Lucas test results in??

A

Oily layer and magkakaroon ng turbidity

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6
Q

Jones Oxidation test (Chromic acid) is used to?

A

Differentiate primary secondary and tertiary alcohol

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7
Q

Jones oxidation test: positive

A

Orange/becomes dark green

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8
Q

Jones oxidation test what reacts fastest?

A

Primary reax fastest then secondary. Tertiary alcohols are non oxidizable

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9
Q

Indication of Oxidation

A

Addition of Oxygen, Formation of Double bond, Lost of hydrogen is oxidation.

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10
Q

Product of jones oxidation test primary and secondary

A

Primary : Carboxylic
Secondary : ketone

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11
Q

What reacts fastest in jones oxidation tesT?

A

Primary reacts fastest tapos secondary. Then tertiary

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12
Q

Brady’s reagent

A

2,4-dinitrophenylhydrazine

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13
Q

Orig color of brady’s reagent

A

Orange

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14
Q

Test for oxidizability. Differences aldehyde and ketones

A

Fehling test

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15
Q

Positive color in fehling’s test

A

Ideally brick red/red

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16
Q

Aldehyde orig color (unreacted)

A

Orange

17
Q

Ketone orig color (blue)

A

Blue

18
Q

Fehling reagent color

A

Dark blue/blue dahil sa CuSO4

19
Q

Fehling’s test 2 steps

A

Prep solution & oxidation reaction

20
Q

Tellen’s test

A

Silver mirror test (always look out for silver)

21
Q

Causes deoxygenation of aldehyde to carboxyl

A

Tollen’s test

22
Q

Iodoform test

A

Methyl ketone

23
Q

Yellow precipitate with antiseptic odor means

A

May methyl ketone

24
Q

nakikita sa walls ng test tube yung silver mirror

A

Tollen’s test

25
Q

In jones oxidation test, primary alcohols become and secondary alcohols become

A

Primary - Carboxylic
Secondary - Ketone

26
Q

Diff. shapes or orientations of molecule

A

Conformation

27
Q

Need to swap something to make something new

A

Configuration

28
Q

Bat oxydizable aldehyde?

A

Kasi may space pa na paglagyan oxygen para maging carboxylic

29
Q

Ketones bat d na oxydizable

A

Gitna kasi
Wala ng way para ma oxidize kasi strong bonds na.

30
Q

What reagents you need in lucas test

A

Concen. HCl + Anhy ZnCl2

31
Q

What is most reactive in lucas test

A

tertiary > secondary > primary

32
Q

Hydroxyl containing :

A

Alcohols and phenols

33
Q

Carbonyl contaning

A

Aldehydes and ketones

34
Q

More branching means more?

A

Soluble

org chem idiot (5 decks)

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