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Classify the following alkenes and their...

Classify the following alkenes and their derivatives as `Z or E`
(i)
(ii)
Strategy: This method is preferable to the use of cis-trans beacuse it is not practical to identify cis and trans isomers when the four groups on `C=C` are different. The letter `Z` is used when the two high-priority substituets are on the same side of the double bond and the letter `E` is used when they are on the opposite sides (from the German words zusammen meaning together and entgegen meaning opposite), as shown:

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(i)`E:Cl gt F gt I gt H`
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  • Cis and trans isomers generally

    A
    contain a triple bond
    B
    contain double bonded carbon atoms
    C
    are enantiomers
    D
    rotate the plane of plane-polarized light

  • Which complex ion has cis and trans isomer ?

    A
    `[PdCl_(3)NH_(3)]^(-)`
    B
    `[Pd(CN)_(5)NH_(3)]^(-)`
    C
    `[PtCl_(2)(CN)_(2)]^(2-)`
    D
    `[Pt(C_(2)O_(4))_(2)]^(2-)`

  • Cis trans isomerism is shown by

    A
    B
    C
    D

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