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how to name compounds using entizezzen and zussamen
E means entgegen(opposite) and Z means zusammen(together)...these are german words assigned to distinguish alkenes based on priority of substituents on both sides of the double bonds......priority is again based on atomic numbers.....e.g.
E Z
1 indicates high priority and 2 indicates low priority.....so the first molecule clearly shows that the priorities are directed opposite to each other hence assigned as E....and likewise Z for the second molecule.....(the priority is that carbon has higher atomic number than hydrogen)
important:
Isotopes: H vs D ? Since isotopes have identical atomic numbers, the mass number is used to discriminate them so D > H
hi pranay
E-is isomer which has higher mol.wt; groups on the opposite sides. ex;
here the1st is an ex, of z conformation & 2nd is E . if u like the ans plz approved it.
first give them prefference according to their atomic weight and then lone pair.................. if same number are diagonal then e if same number lie in same side then they are z...............
approve my answer...... plz........
thankx very very much
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