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Chemistry Year 1 > 6.1 > Flashcards

6.1 Flashcards

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1
Q

what is a hydrocarbon

A

A molecule containing only hydrogen and carbon atoms

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2
Q

What is displayed formula

A

Formula which shows every atom and every bond

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3
Q

What is structural formula

A

Shows unambigously how atoms are joined together
e.g CH3,CH2,CH3

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4
Q

What is skeletal Formula

A

shows all bonds between carbon atoms

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5
Q

what is molecular formula

A

Shows the actual number of atoms in each molecule

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6
Q

Empirical Formula

A

Shows the number of each atom in simplest whole number ratio

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7
Q

1st step of naming compounds

A

unbranched alkanes are named according to number of carbon atoms e.g meth, eth, prop, but

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8
Q

2nd step of naming compounds

A

Determine the principle chain by finding the chain/route with the most carbon atoms

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9
Q

3rd step of naming compounds

A

If 2 or more chains have same number of carbon atoms chose the principle chain as the one with the highest number of branches

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10
Q

4th step of naming compounds

A

Number the carbon atoms of the principle chain from 1 to end with carbon atom 1 being the carbon at the first branch

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11
Q

What is a structural isomer

A

compound with the same molecular formula but different structural formula.

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12
Q

3 types of structural formula

A

Chain
Position
Functional Group

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13
Q

what is chain isomer

A

molecule with diff carbon chain

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14
Q

what is functional group isomer

A

Structural isomer that differ by functional group

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15
Q

what is position isomer

A

molecule with the same functional group attached in different position

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16
Q

sterioisomerism

A

molecule with the same molecular + structural formula but diff spatial arrangement of atoms

17
Q

geometricisomerism

A

type of sterioisomerism with diff arrangement of groups around c=c

18
Q

cis(Z) isomer

A

isomer where the highest priority group at each end of c=care on same side

19
Q

trans(E) isomer

A

isomer where the highest priority group at each end of c=care on different sides

20
Q

how to find whether its E or Z

A
  1. Find RFM of both molecules on both sides of c=c
  2. The molecule with highest RFM is priority molecule
  3. If priority molecules line up on same side horizontally its Z
  4. If priority molecules line up diagonally its E

Chemistry Year 1 (11 decks)

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