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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
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;
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........
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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