Problem:  Which of these structures has the most steric strain?a) 1,1 -dimethylcyclobutane b) 1,1,3,3,5,5-hexamethylcyclohexane c) staggered butane 

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Steric strain → caused by the interaction of groups which forced closer than the usual separation

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 Which of these structures has the most steric strain?

a) 1,1 -dimethylcyclobutane 

b) 1,1,3,3,5,5-hexamethylcyclohexane 

c) staggered butane 


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