Exam January Flashcards

(15 cards)

1
Q

Explicar que es un saturated hydrocarbon

A

A compound made only of carbon and hydrogen and doesn’t have a double bond

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2
Q

explicar porque but-2-ene tiene stereoisomers

A

because it contains a C=C double bond, which restricts rotation due to the overlapping p-orbitals forming a π (pi) bond. This lack of rotation locks the attached groups in fixed positions

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3
Q

Porque fluorine no puede hacer lo de nucleophilic substitution

A

Porque el fluorine carbon bond is very strong and it is very hard to break therefore no puede hacer nucleophilic substitution

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4
Q

Core practical: porque se hace un precipitate

A

Because the halide ion reacts with the silver in AgNO3

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5
Q

ÚLTIMA PÁGINA describe what mechanism is no se Que

A

Nucleophilic substitution

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6
Q

Nucleophilic substitution
Que había tres errores en el mechanism, y que pusieras los tres errores

A
  • El arrow del primero va del carbón al OH en vez del OH al carbon
  • Que le faltaban los dipoles del carbon y el halogen
  • y le faltaba el lone pair al último (chlorine)
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7
Q

La de los arrows (hay que poner los conditions)

A
  • del alkane al halogenoalkane -> UV light
  • del alkene al halogenoalkane -> hydrogen chloride
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8
Q

What will happen if un compound (un halogenoalkane) se juntaba con OH alcoholic solution

A

elimination reaction occurs

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9
Q

Products of an elimination reaction

A

Alkene + water + salt

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10
Q

But-2-ene has two stereoisomers draw and name them

A

Cis-but-2-ene (same side)
Trans-but-2-ene (opposite side)

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11
Q

Electrophilic addition
Propene con hydrogen bromide
(Poner el mechanism)

A

Dibújalo bien

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12
Q

Porque es distinto el termination step de los otros dos

A

Because a radical isn’t formed

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13
Q

Cuál Es el condition de free radical substitution

A

UV light

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14
Q

What would happen if chlorine was is excess

A

habría más chlorine radicals therefore more chlorine in the product

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15
Q

Haz free radical substitution de chlorine y methane

A

Hacerlo bien

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