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Tell breifly about baer strain theory?give examples for them.

Tell breifly about baer strain theory?give examples for them.

Grade:11

1 Answers

R PAVAN
66 Points
5 years ago
ADOLF BAEYER SAYS THAT THE NORMAL BOND ANGLE BETWEEEN CARBON CARBON ATOMS IS 109 DEGREES AND 28 MINUTES , BAYER STRAIN THEORY IS BASED ON THE FACT THAT ANY DEVIATION IN THE ANGLE BETWEEN C-C BOND WOULD RESULT IN STABILITY CHANGE THAT MEANS IF IT IS NEARER TO 109.28’ THERE WILL BE MORE STABILITY..
 
EX:-
 
C-C BOND ANGLE IN VARIOUS HYDROCARBONS RESULTING IN STABILITY VARIATION.
                                   BOND ANGLE                   ANGLE STRAIN
CYCLOPROPANE       :  60                                       24.44’
CYCLOBUTANE         :  90                                       9.44’
CYCLOPENTANE       :  108                                      0.44’
 
 
WE CAN SEE THAT CYCLOPENTANE BOND ANGLE IS MORE CLOSER TO 109.28’N AND CYCLOPROPANE IS FARTHER TO THAT, SO CYCLOPENTANE IS MORE STABLE THAN CYCLOPROPANE.

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