Which of the following alkenes on ozonolysis give a mixture of ketones only?

The molecules having dipole moment are :-

An alkene "A" contains three C–C, eight C–H σ-bonds and one C–C π-bond. "A" on ozonolysis gives two

Which one of the following has the smallest heat of hydrogenation per mole

Which of the following reactions is used for locating the position of double bond in an alkene

Oxidation of isobutylene with acid potassium permanganate gives