What issue led to the split between the sunni and shia in islam? question 1 options: the shia believe only arabs could be muslims. arguments began over what should be included in the five pillars the shia wanted to change the direction of prayer to jerusalem rather than mecca. they disagreed over who should lead the muslim community after the death of muhamma

The answer is that they disagreed over who should lead the Muslim community after the death of Muhammad.

Ifound the exercise on the internet. attached is the list mentioned above.in order for a compound to be considered optically active it can't have any axis or plan of symmetry. the molecule  shouldn't also  be superimposable on its mirror image.with such considerations, the compounds that are optically active are: -third compound on the first image is optically active; -second and third compound from the second image are optically actives.