Roni posted an Question
April 13, 2021 • 15:01 pm 30 points
  • IIT JAM
  • Chemistry (CY)

30 stereochemistry describes underline portion [ blue] please ans my following questions as soon as possible

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    Priyanshu kumar Best Answer

    Yes roni,in which part you have problem?

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    describe underline portion .. how it achiral specially b and c structure

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    see roni

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    for 1,3 disubstituted cyclohexane e,e or a,a is cis position and a,e or e,a is trans position

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    sir how trans form achiral ?

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    trans form is chiral it has no plane of symmetry

  • Vicky Sharma best-answer

    in A all methyl are equitorial so it is more stable than B and C both have one methyl axial and one equitorial and than D having both methyl axial. so that's the order of stability.

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    this is not my questions my questions why achiral ?

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    A and D both are achiral because both have plane of symmetry

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    why b or c ? please draw outline structure and please describe b and c

  • Roni 1

    describe underline portion .. how it achiral structure b and c

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    who said to u that b and c are achiral . actually they r chiral because there is no plane of symmetry and centre of symmetry in the molecule that's why they are chiral. yes they have C2 axis but for chirality Cn axis is not the criteria

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