Dehydration of which one of the following alcohols produces an alkene exhibiting cis-trans isomerism ?

Which of the following complex compounds does not exhibits cis-trans isomerism ?

But-2-ene exhibits cis-trans- isomerism due to

Which of the following alkenes exhibits cis-trans isomerism?

Which among the following alcohols, on dehydration will produce alkene that exhibits cis-trans isomerism?

The cause of cis-trans isomerism is