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Byju's Answer
Standard XII
Chemistry
Introduction to Optical Isomerism
Br - CH = CH ...
Question
B
r
−
C
H
=
C
H
−
C
H
2
−
C
H
=
C
H
−
C
H
2
−
C
H
=
C
=
C
=
C
H
−
C
H
=
C
(
C
H
3
)
2
Total number of geometrical isomers for the given compound is:
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Solution
There are 3 stereochemical centre which can show geometrical isomerisms.
∴
2
3
=
8
geometricl isomers are possible.
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Similar questions
Q.
M
e
C
H
=
C
H
−
C
H
=
C
=
C
H
−
C
H
=
C
H
2
Total number of geometrical isomers possible for above compund.
Q.
C
H
2
−
C
H
−
C
H
−
C
H
−
C
H
2
|
|
|
|
|
O
H
O
H
O
H
O
H
O
H
The number of configurational isomers of the above-given compound is:
Q.
Find total number of stereoisomers for each compound given below.
P
h
−
O
|
|
S
−
C
H
=
C
H
−
C
H
2
−
C
H
=
C
=
C
=
C
H
−
C
H
=
C
H
−
C
H
3
Q.
Which amongst the following is a positional isomer of
CH
3
−
CH
2
−
CH
=
CH
3
Q.
The length of the carbon-carbon single bond of the compounds
I)
C
H
2
=
C
H
−
C
≡
C
H
II)
C
H
≡
C
−
C
≡
C
H
III)
C
H
3
−
C
H
=
C
H
2
IV)
C
H
2
=
C
H
−
C
H
=
C
H
2
is expected to decrease in the order :
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