What is ortho effect ? and how does it effect the acidity in bezene substituted compounds ? What do i have to take into consideration while finding acidity order by the effect ?

'x' gm of a compound A3B2C5 contains 'y' gm of A atoms Using above informationMatch the following

Dr. Ronald Lance is the greatest spell caster in the world also referred to as the most powerful saiki in the world by those who have used his powerful magic spells, weather you aiming at fixing your love, relationship or marriage, Ronald Lance is a real spells caster for your needs, bear in your mind that you are about to get in touch with our very experienced spells caster verified for casting authentic spells Call/Whats App+27634928462

Plz answer this query.....................................................................................................

how to represent the possible fischer projections for 2-bromohexane