isomerism. Flashcards

1
Q

constitutional isomerism

A

molecules have the same molecular formula however atoms have different connectivity.

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2
Q

types of constitutional isomerism

A

position
chain
functional group

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3
Q

functional group

A

atoms are have different connectivity to form different functional groups

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4
Q

positional group

A

the functional group has different connectivity and is attached to different carbons

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5
Q

chain

A

the carbon chain has different connectivity so it has different lengths

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6
Q

orbital

A

it is the likelihood of where an electron is

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7
Q

hybridisation

A

combining atomic orbitals to make a hybrid

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8
Q

sp2

A

it is under one s orbital and 2 p orbitals that you will find an electron

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9
Q

chiral centre

A

connected to four different chemical species

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10
Q

achiral centre

A

2+ more the same chemical species on a carbon

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11
Q

stereoisomers

A

same connectivity
same molecular formula
different arrangement in space

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12
Q

achiral facts

A

super imposable
mirror images
sterocenter is meso molecules

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13
Q

diastereomers

A

only some of the chiral centres change.
=br
–oh

this is trans

= br
= oh

this is cis

as we can see only oh change

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14
Q

diastereomers qualities

A

cis and trans
non mirror image s
non superimposable

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15
Q

enantiomers

A

non super-imposable mirror images

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16
Q

meso compounds

A

identical mirror images of molecules

17
Q

symmetry/ chiral centres

A

all chiral centres change and there is no symmetry is is entaniomers

if all chiral centres change and there is symmetry it is meso.

is some chiral change - diastomers

18
Q

r

A

clockwise

19
Q

s

A

anti-clockwise

20
Q

fac

A

used for inorganic molecules with the 3 constiteunts on a octahedral shape. e.g. 3 F , 3 CL.

all are on the same plane

21
Q

mer

A

used in inorganic molecules.
they are not all in the same plane.

22
Q

cis and trans

A

used in planar and octahedral inorganic complexes

they must have the ratio 2:4 on octahedral shapes.

23
Q

m

A