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FOR CHEM PRE AND POST LABS > Exp 11 > Flashcards

Exp 11 Flashcards

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1
Q

Organic substances that contain carbon and hydrogen only

A

hydrocarbons

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2
Q

Arranged in chains

A

Aliphatic carbons

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3
Q

3 types of aliphatic carbons

A

Alkanes, alkenes, and alkynes

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4
Q

saturated hydrocarbons that contains single bonds

A

alkanes

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5
Q

unsaturated hydrocarbons with double bonds in their structure

A

alkenes

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6
Q

unsaturated hydrocarbons with triple bond

A

alkynes

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7
Q

Relatively stable to chemical oxidizing agents like neutral or basic permanganate

A

Aliphatic alkanes

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8
Q

Readily oxidize at room temperature

A

Alkenes

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9
Q

react slowly with bromine at room temperature in the dark, but when there’s light substitution happens rapidly

A

alkanes

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10
Q

Loss of bromine and evolution of hydrogen bromide happens ____ (before/after) the reaction takes place

A

After

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11
Q

For ___________ reactions, bromine reacts faster at room temperature even without the presence of light producing a colorless solution

A

alkenes

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12
Q

Though it contains carbon-carbon double bonds it preferably undergoes substitution rather than addition reactions

A

Toluene

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13
Q

Aromatic compound used in the experiment

A

toluene

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14
Q

13 materials used in the experiment

A
  • 10 pcs test tubes/ test tube rack
  • cycloalkane
  • cycloalkene
  • 0.5% KMnO4 solution
  • Pentane
  • 2-pentane
  • dropper/pipette
  • heptane
  • toluene
  • 10% Na2CO3 solution
  • 2% Br in carbon tetrachloride
  • Benzene
  • concentrated H2SO4
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15
Q

5 sections of the experiment

A

A. Bromine Test
B. Baeyer’s Test
C. Sulfuric Acid Test
D. Solubility
E. Relative Density

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16
Q

Materials used in Bromine Test

A
  • 1ml hydrocarbon
  • 3-4 ml of 2% bromine in CCl4
17
Q

Materials used in baeyer’s test

A
  • 1ml of hydrocarbon
  • 2ml of dilute 0.5% KMnO4 solution
  • 2ml of dilute of 10% Na2CO3
18
Q

Materials used in Sulfuric Acid Test

A
  • 1ml of hydrocarbon
  • 2 ml of concentrated H2SO4
19
Q

Materials used in Solubility

A
  • 2 ml of water
  • 2-3 drops of hydrocarbon sample
20
Q

Mixture used in Relative Density

A
  • 2 ml of water
  • 2-3 drops of hydrocarbon sample
21
Q

Hydrocarbons used in the experiment

A
  • cycloalkane
  • pentane
  • heptane
  • cycloalkene
  • 2-pentene
  • toluene
  • benzene

FOR CHEM PRE AND POST LABS (6 decks)

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